每到考试结束，老师们最头疼的不是阅卷，而是如何安全、高效地将成绩发给家长。传统的群发成绩单方式早已暴露诸多隐患：微信群里信息刷屏、学生姓名和分数一览无余，极易造成隐私泄露；个别家长漏看消息，老师不得不反复提醒；更有甚者，因成绩排名引发家长间比较与矛盾 ...

President Donald Trump is delivering a speech live from the White House. He is expected to discuss his achievements and preview his agenda for next year and beyond. His remarks ...