I need to be in the top percentage of my class to study abroad.
为出国留学,我的成绩必须在班里名列前茅。
Is it convenient to you if I come at 6 p.m.?
如果我下午6点来拜访你,方便吗?
This shows how long it was before we deemed it necessary to make sure that all our children could share in the knowledge accumulated by the'happy few' during the past centuries.