在生命循环中,死亡常被视为必定会发生的事情。
Death is often considered ___a ___sure ___thing in the cycle of life.
在商业中,只有一件确定的事:市场条件总会演变。
In business, there is only ___a ___sure ___thing: market conditions will always evolve.
没有适当的准备,通过考试并非必然。
Passing the exam is not ___a ___sure ___thing without proper preparation.