有时候，爱情可以让人很幸福，也可以让人很痛苦。

Sometimes, love can make people very happy, also can make people very painful.

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德国最新调查显示，Facebook上好友发布的度假、爱情生活、工作成就等信息会引发嫉妒心理，并由此让人感到痛苦和寂寞。

Witnessing friends' vacations, love lives and work successes on Facebook can cause envy and trigger feelings of misery and loneliness, according to German researchers.

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