Contigency
a. 预防性
🗣️ 情景例句
Now may I please say hello?
现在我可以说声哈喽了吗？
Custom is the guide of the ignorant.
习俗是无知者的向导。
In fact, it would be an assistance to all carnivores though it would be a two-edged weapon when they fought each other.
因此，任何食肉动物有了毒液，都能从中获益。