keep away from,stay away from远离,区别如:keep away from the doors while the train is moving列车运行过程中要远离车门。Do you think we teenagers should keep away from the Internet?你认为我们青少年应该远离网络吗?
While by most measures a standard supermarket, a stone wall and a distressed picket fence channel the rough edged decor.老师好,请问While by most measures a standard supermarket...是省略句吗?
上面的句子来自2019版人教版高中英语新教材必修一的 Unit 5(p60)。How many billion people speak the UN’s official
languages as their native or second language?句中用 billion 是为了表示“多”吗?去掉也可以吧?