be the rule

• 惯常的事； 普通情况

be the rule的用法和样例：

例句

1. He delivered the speech with his usual aplomb.
   他以惯常的沉着语气作了演讲。
2. The letter was written in her usual acerbic style.
   这封信是用她惯常的尖刻语调写的。