Downswings are especially difficult to recover from because there are multiple forces working against you.

下风期极难恢复，因为有多种力量对你施压。

No modern society could accept the downswings that were routine in the 19th century, an era of much less intervention.

没有一个现代社会能够接受19世纪周期性的衰退，那个年代政府干预比现在少得多。