All door and window is sealed for the extermination of mosquito.为了消灭蚊子，所有的门窗都被封闭起来了。In doing so they were saved from extermination.这样一来却使它们免于绝灭.Children of fourteen were considered " independent " for purposes of transpo...
You cannot take a day off without authorization.未经批准你不得休假。It's annoying to have to get authorization for spending such piddling amounts of money.花这麽一点钱也要去请示,真烦人.Formal authorization for the trip was given last week....