象童本人做好准备，假使必要的话，他就立刻跳上大象逃走。
He held himself ready to bestride the animal at a moment's notice, should flight become necessary.
假使项目中的每一个人都在周而复始地重复“写测试，修改代码，重构”，当然有必要使你的测试工作更加有效。
Given that everyone on the team will be going through the "write a test, fix the code, refactor" cycle frequently, it's essential that you can both write and run tests efficiently.
假使它们被尝试和测试过了，那就没有信任的必要了，因为你已经对它了如指掌。
Had it been a tried and tested technology, there was no need for trust as you would have already known the bits and pieces of it.
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