当年

zhè ge gōng chǎng dàng nián xīng jiàn dàng nián tóu chǎn

这个工厂当年兴建，当年投产。

This factory started production the year when it was constructed.

yán fā fèi shì gēn jù dàng nián de lì rùn lái shōu qǔ de

研发费是根据当年的利润来收取的。

Research and development expenditure is charged against profits in the year it is incurred.

jié zhì yuè dàng nián de huò bì gōng yìng zēng jiā le bǎi fēn zhī sì

截至9月，当年的货币供应增加了百分之四。

The money supply expanded by 4 percent in the year to September.