Source: Computational Materials Science, Volume 267
But while group chats have exploded in popularity because of their informality, that also creates its own challenges: Discussions can veer off topic, repetitive or basic questions can irritate group members, and that viral meme you think is funny could also offend.
添加图片注释，不超过 140 字（可选），详情可参考91视频
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There were arson attacks on the parliamentary compound, the supreme court and other government buildings. In total, 77 people were killed during the unrest.
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