Usages of yánqī
我 想 延期 换证。wǒ xiǎng yánqī huànzhèng.
I want to postpone renewing my licence.
除非 我 申请 延期， 否则 驾驶证 会 逾期。chúfēi wǒ shēnqǐng yánqī, fǒuzé jiàshǐzhèng huì yúqī.
Unless I apply for a postponement, the driving licence will be overdue.
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