蒸鱼或蒸肉时待蒸锅的水开了以后再上屉，能使鱼或肉外部突然遇到高温蒸气而立即收缩，内部鲜汁不外流，熟后味道鲜美，有光泽。

Lay fish on the steaming tray till water is boiling, it will shrink the fish by immediate steam and maintain its flavor inside.

youdao

Not saying that the external circumstances are not important, we should focus also on improving them,bettering them, whether for ourselves,for society at large.

并不是说，外部环境不重要，我们同样应该注重改善外部环境，无论是我们自己，或对整个社会。

哈佛公开课 - 幸福课课程节选

When things go badly, in fact, we'll blame the situation.

当事情不顺利时，我们会归咎于外部情况。

耶鲁公开课 - 心理学导论课程节选