sudden huge profits

例句：

1. 1.The sudden drop in temperature caught us by surprise.
   温度的突然下降让我们措手不及。
2. 2.He suddenly realized that he had forgotten his keys at home.
   他突然意识到他把钥匙忘在家里了。
3. 3. The sudden rainstorm caused traffic to come to a halt.
   突如其来的暴雨导致交通停滞。