经济危机爆发后，投资面貌发生了巨大变化。
After the onset of economic crisis, great changes have taken place in investment.
2）结合自己的生活、学习、工作、兴趣等，想象在什么语境下会用到这个表达。先简要描述这个场景，再造句。
例子：After the onset of the civil war, the country has been on decline from bad to worse.
场景 ：内战后每况愈下
