它们是必不可少的，不仅仅是对单个的用户，对整个社会也是，因为它们通过分享与合作促进了整个人类社会的团结和休戚与共。
They are essential, not just for the individual users' sake, but for society as a whole because they promote social solidarity-that is, sharing and cooperation.
在许多情况下，通过分享我们的情感，我们能够更好地理解和应对它们。
Often, just by sharing our feelings, we can better understand and deal with them.
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