economic decline造句

1、A period of further economic decline set in during the 1930s
进一步的经济下跌开始于二十世纪３０年代。

2、A period of further economic decline set in during the 1930s.
进一步的经济下跌开始于二十世纪３０年代。

3、The first signs of economic decline became visible.
经济衰退的最初迹象开始显现出来。