SYDNEY, June 20 (Xinhua) -- A health alert for measles has been issued for Sydney after a confirmed case traveled through the city's international airport while infectious.

当“低精力”成为社交平台高频词，你是否也陷入过自我怀疑：这到底是懒，还是身体发出的求救信号？关键差异，藏在6字核心里——“ 有动力，没精力 ”才是低精力的真实写照，而“有精力，没动力”才是纯粹的懒。