Москвичей предупредили о резком похолодании09:45
Dr. John Ackerman, an expert on youth suicide prevention who was not involved in Instagram's alert feature, told Mashable that it appeared to be carefully considered. Instagram said it relied on feedback from a group of experts it assembled on suicide and self-harm. (Instagram does not publicize the members of its advisory group.)，更多细节参见safew官方版本下载
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