学习圈可能有多种多样的活动，但是对话为学习提供了动力和意义。
There can be many various activities in a study circle, but the dialogues give the energy and the meaning to the studies.
这三周来，我们举办了多种多样的活动，俱乐部也在进一步完善和壮大。
For these three weeks, we have conducted many varied activities, with the club consummating and expanding further.
户外多种多样的活动(或仅仅的欣赏自然风景画)可以减少压力和降低心跳比率。
Multiple studies show that being outdoors (or even just looking at pictures of natural landscapes) reduces stress and causes heart rates to decrease.
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