1. There are no absolute, invariable moral rules. 没有绝对的，不变的道德准则。
2. Unfortunately, it is in the nature of the archaeological evidence, which is almost invariable only a sample of what once existed, that such figures will always be elusive. 不幸的是，从考古学证据的性质来看，这类人物总是难以捉摸的，因为考古学证据几乎是一成不变的，只是曾经存在过的东西的一种样品。
3. Her routine was invariable. 她的日常生活总是千篇一律。
4. Eluding is the invariable game. 逃避是不变的游戏。
5. This process, however, was not invariable. 但是，这个过程并非始终不变。
