Usages of zài
我 先 开 灯， 再 看 书。wǒ xiān kāi dēng, zài kàn shū.
I will turn on the light first, then read.
我 先 喝 一点儿 水， 再 去 公司。wǒ xiān hē yìdiǎnr shuǐ, zài qù gōngsī.
I’ll drink a little water first, then go to the company.
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