Usages of chūfā
明天 我们 提前 十 分钟 出发， 就 不 会 迟到 了。míngtiān wǒmen tíqián shí fēnzhōng chūfā, jiù bú huì chídào le.
Tomorrow we'll set off ten minutes early, then we won't be late.
大家 都 到 了 吗？ 我们 八 点 半 出发 吧。dàjiā dōu dào le ma? wǒmen bā diǎn bàn chūfā ba.
Has everyone arrived? Let's set off at eight-thirty.
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