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重点讲解：
1.even if 纵然；就算；即使
例句：Even if the genes themselves are not initially hazardous, you do not know how they are going to evolve.
即使基因本身起初是没有危险的，但你不知道它们将如何演化。
2.make contact with 寻找；寻求；探求
例句：They are trying to make contact with the kidnappers.
他们正设法与绑架者接触。
3.search for 寻找
例句：She was persistent in her search for her lost puppy.
她一直在寻找遗失的小狗。
4.lies beyond 超出
例句：This subject lies beyond the scope of our investigation.
这一问题超出了我们的考察范围。
