Usages of dàizi
我们 用 过 的 塑料 袋子 应该 放 到 回收 的 垃圾桶 里。wǒmen yòng guo de sùliào dàizi yīnggāi fàng dào huíshōu de lājītǒng lǐ.
Used plastic bags should be put into the recycling trash can.
她 带 自己 的 袋子 去 超市， 一方面 节省 钱， 一方面 少 用 塑料 袋子。tā dài zìjǐ de dàizi qù chāoshì, yìfāngmiàn jiéshěng qián, yìfāngmiàn shǎo yòng sùliào dàizi.
She brings her own bag to the supermarket—on the one hand to save money, and on the other to use fewer plastic bags.
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