tóu rù
投入生产
tóurù shēngchǎn
Put into production
投入新生活
tóurù xīn shēnghuó
Embark on a new life
新机场已经正式投入使用。
xīn jīchǎng yǐjīng zhèngshì tóurù shǐyòng.
The new airport has been officially put into operation.