It was Sunday before he saw Mouse again. He was painting the garden shed for his dad when Mouse came racing along on his bike.根据以上句子提供的语境，请翻译黑体部分，并解释before的词义和用法。
If the financial system has failed, what remains of confidence in markets? 这个句子中，what remains of confidence in markets这种结构形式比较特别。有类似结构(what +v+介词短语，其中介词短语为what的定语）的动词除了remain,还有哪些？能否提供一两...
...National Geographic 网站文章时，看到这样一句：His creation of the state-run secondary schools remains a cornerstone of today. 我感觉 a cornerstone of today 的用法不太规范，从逻辑上考虑应该说a cornerstone of education today 或 ...of today's education system. 等类...
...都否定吗？This
machine will entail no more operational cost on us in the long run.这里的no
more...than...more是限定词，应该理解成only as many as...吧？还有没看懂on
us - on是什么意思？
This thesis is concerned with a particular case of the above problem in which all toll arcs are connected and constitute a path, as occurs on highways.
Last, good performance is not defined by employees’ locations at specific times of the day but by what they achieve—what Mr Bloom calls “managing outputs, not inputs”.破折号后是对前面的补充说明，那么能不能说what引导的是同位语从句？谢谢各位老师。
Our Great Larry Kudlow, who has been working so hard on trade and the economy, has just suffered a heart attack. He is now in Walter Reed Medical Center.这是特朗普最新的推特，译文是：我们伟大的拉里·库德洛，一直在贸易和经济方面工作努力工作，他刚刚...
...ience stores in all kindergartens, primary, middle and high schools across the country, effective April 1. 中国教育部和卫生健康委发布《规定》，全国中小学、幼儿园一般不得在校内设置小卖部。《规定》于4月1日生效。effective为什么在这里后置了？...