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The view on loyalty covers a course of evolution.
忠义观念有一个不断演变的过程。
youdao
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In the course of evolution, some birds have lost the power of flight.
在进化的过程中，一些鸟丧失了飞行能力。
youdao
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In the course of evolution, some birds have lost the power of flight.
在进化的过程中，一些鸟丧失了飞行能力。
youdao