on weekends 与 on the weekend 有什么区别，这两个词有什么区别；是不是 on weekends 指的是星期六和星期日。on the weekend 指的是星期六或者星期日某一天是这样理解的吗？He wants to go to Beijing next weekend.为什么这里的 weekend 不用 weekends?谢...
①If that isnot rarefied enough, imagine if one of the fellow passengers were Jeff Bezos, gazing down onto a planet that is spanned by his digital conglomerate, Amazon, and of which he is the richest inhabitant. 请问老师这里imagine if中的if是条件状从吧，译为如果。不是宾从...
Whilst the number of cases involving litigation has not grown during the lifetime of UCP 500, the introuduction of the ICC's Documentary Credit Dispute Resolution Expertise Rules in October 1997 has resulted in more than 60 cases being decided.请教老师这句的逻辑关系；involving...
Have you ever been sad because of failure? Please remember, for often, achieving what you set out to do isnot the most important thing.请问，for这里属于什么用法，该用法除了often可否用其他词。谢谢!
请问曹老师，He is an expert of the
research team.这句话中的of可以吗？答案给的是on the research
team,但我觉得of the team是不是也可以，因为有He is a member of
the team.这样的句子，member和expert我感觉都是队员身份的描述。麻烦老师点拨，谢谢!
原句：Recognizing a problem is the first step in finding a
solution.强调表语变成强调句It is the first step that recognizing a problem isin finding a solution.有些资料说一般不强调表语，有些资料说表语也可以强调。章振邦老师书中说不可以强调形容词词...
The only important exceptionin modern legal systems is litigation to obtain a declaratory judgment. But even that is usually undertaken to facilitate or make unnecessary action for enforcement, remedies or sanctions, or in circumstances where by convention it is respected as if it were an ordinary ...
...nbsp;tap handle，and turn anti-clockwise to full-on，or ，in the case of the oven burner，open the oven door，push the Regulo oven tap inward and turn to the selected&nbs...
The implications of disinfection by-products (DBPs) present in drinking water are of public health concern because of their potential mutagenic, carcinogenic and other toxic effects on humans.张老师：我看文献看到这么一句话，我的理解它大体意思说：我们的日常饮用水都...