Beginner Chinese - Shopping

Do you have this in my size?
有没有我的尺寸？ (yǒu méiyǒu wǒde chǐcùn?)

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How much is this?
这个多少钱？ (zhège duōshǎo qián?)

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That's too expensive.
太贵了。 (tài gùi le)

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Would you take _____?
_____元可以吗？ (_____ yuán kěyǐ ma?)

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expensive
贵 (gùi)

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cheap
便宜 (piányí)

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I can't afford it.
我带的钱不够。 (wǒ dài de qián búgòu)

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I don't want it.
我不想要。 (wǒ bùxiǎng yào)

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You're cheating me. (Use with caution!)
你欺骗我。 (nǐ qīpiàn wǒ)

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I'm not interested.
我没有兴趣。 (wǒ méiyǒu xìngqù)

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OK, I'll take it.
我要买这个。 (wǒ yào mǎi zhège)

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Can I have a bag?
请给我袋子。 (qǐng gěi wǒ dàizǐ)

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Do you ship (overseas)?
可以邮寄到海外吗？ (kěyǐ yóujì dào hǎiwài ma?)

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I need...
我要_____ (wǒ yào _____)

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...toothpaste.
牙膏 (yágāo)

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...a toothbrush.
牙刷 (yáshuā)

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...tampons.
卫生棉条 (wèishēng miántiáo)

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...soap.
香皂 (xiāngzào)

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...shampoo.
洗髮精 (xǐfǎjīng)

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...pain reliever. (e.g., aspirin or ibuprofen)
镇痛剂 (zhèntòngjì)

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...cold medicine.
感冒藥 (gǎnmòuyào)

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...stomach medicine.
胃腸藥 (wèichángyào)

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...a razor.
剃刀 (tìdāo)

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...an umbrella.
雨伞 (yu3sǎn)

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...sunblock lotion.
防曬油 (fángshàiyóu)

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...a postcard.
明信片 (míngxìnpiàn)

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...postage stamps.
郵票 (yóupiào)

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...batteries.
电池 (diànchí)

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...writing paper.
紙 (zhǐ)

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...a pen.
笔 (bǐ)

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...English-language books.
英文书 (yīngwén shū)

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...English-language magazines.
英文杂志 (yīngwén zázhì)

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...an English-language newspaper.
英文报纸 (yīngwén bàozhǐ)

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...a Chinese-English dictionary.
汉英字典 (hànyīng zìdiǎn)

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...an English-Chinese dictionary.
英汉字典 (yīnghàn zìdiǎn)