1. We must consider all possible contingencies. 我们必须考虑一切可能发生的事。
2. I need to examine all possible contingencies. 我得查看所有可能发生的事。
3. Recently planetary scientists have suggested that the external preconditions for the development of Earth's biosphere probably included four paramount contingencies. 最近,行星科学家提出,地球生物圈发展的外部先决条件可能包括四个最重要的偶发事件。
4. We must be sure to cover all contingencies. 我们总得预防所有可能发生的意外。
5. Prepare for multiple scenarios and contingencies. 为各种情况和意外事件多做准备。