Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

七国集团 (G7)外长举行了一次不同寻常的会议，一些与会者纷纷表示支持加拿大。加拿大目前正与该集团最强大的成员国美国陷入日益激烈的贸易和边境争端。周四，特朗普在美国白宫火上浇油，称加拿大将成为美国的第51个州，并暗示如果加拿大进行抵抗，将在贸易中蒙受损失。

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