1.go missing 失踪;不见;丢失
He is one of hundreds, perhaps thousands of children who go missing in China each year, victims of roving criminal gangs preying on vulnerable areas.
每年像小锐聪一样失踪的孩子还有成百上千个,一些地区的人口贩卖活动非常猖獗。
Examples abound of databases being stolen: disks full of social-security data go missing, laptops loaded with tax records are left in taxis, credit-card numbers are stolen from online retailers.
例如,大量数据库被盗;装满社会保险数据的光盘不见了。 载有税务记录的笔记本电脑被遗忘在出租车上,信用卡号在线使用时被盗。
2.have to 必须;不得不;只好
You have to consider what to do next.
你必须考虑下一步该做什么。
You have to keep after your son if he refuses to be housebroken.
如果你儿子不服管教的话,你必须整天跟在他的身边。