任何一起事故都有许多直接原因，其中的绝大多数是可控制的。
For every accident there are usually several contributing factors, most of which can be controlled.
这就是为什么包括人类在内的绝大多数动物有两只眼睛的原因了。
That's why most of the animals, including human being, possess a pair of eyes.
这就是为什么包括人类在内的绝大多数动物有两只眼睛的原因了。
That's why most of the animals, including human being, possess a pair of eyes.
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