最近两年，这个城市的旅游业明显衰退了。

Zuìjìn liǎng nián, zhège chéngshì de lǚyóuyè míngxiǎn shuāituì le.

In the past two years, the tourism industry in this city has clearly declined.

经济衰退的时候，很多公司都会控制成本，减少招聘。

Jīngjì shuāituì de shíhou, hěn duō gōngsī dōu huì kòngzhì chéngběn, jiǎnshǎo zhāopìn.

When the economy is in recession, many companies control costs and reduce hiring.

随着记忆力的衰退，他开始忘记一些过去的事情。

Suízhe jìyìlì de shuāituì, tā kāishǐ wàngjì yìxiē guòqù de shìqing.

As his memory declined, he began to forget some things from the past.