It's a complex activity that requires a lot of intellectual effort.

这是一项复杂活动，需要大量的知识积累。

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The teaching of physical education is a complex physical and intellectual activity.

体育教学工作是一项复杂的体力和智力的活动。

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So we can see the complex relations between anti-monopoly law and intellectual property.

由此，我们可以看到知识产权与反垄断法之间有着既一致又冲突的复杂关系。

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So we can see the complex relations between anti-monopoly law and intellectual property.

由此，我们可以看到知识产权与反垄断法之间有着既一致又冲突的复杂关系。

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