...牛津高阶） [plural, uncountable]the way in which money influences, or is organized within an area of business or society ▶The economics of the project are very encouraging 上面那句话摘自经济学人，主句谓语用单数has，主语economics 按照牛津字典的解释，应该是...
...表示已经发生的事情。如：The plan to be discussed tomorrow is about investing our money in a new business enterprise. The plan discussed yesterday is about investing our money in a new business enterprise. 但我也一篇作文范文中看到这样一个句子：The new building...
...落）Early in the morning, you can watch the snowboarding competitions on the hill overlooking the river. Competitors speed down the track and through the air as though they could fly.The more brave of heart may try the canoe races. Five or six men paddle each canoe across the partly-frozen St...
...Used with a singular countable nouns to refer to one of number of
things or people, when it doesn't matter which.还有：In, at or to any place, when it doesn't matter
where.这两句话中单词which和where的位置，我感觉很少见。想请教老师，这两句话里它们各自的词性和...
Recurring revenue is the portion of the revenue that is going to continue in the future. It provides a growing base of revenue on which management can rely while focusing on ways to grow the business.on which, 为什这里要加介词on？
(1)A girl is lying on the couch.这个正常的语序可以加there副词吗？There is a girl lying on the couch.这是个倒装句，这个句子还可以有哪些倒装形式？(2)There is a girl lying on the couch.这个句子里a girl是主语，is是系动词，there是副词，lying是表语...
He has to move about in a wheel-chair since five years old.
按语法规定，这个句子不太对，因为 since 前面的句子应该用现在完成时，但这个句子的谓语是 has to，它如何变为现在完成呢？难道是用 has had to? 像下面这样用？
He has had to move ...
...o seven years. Typically, an indentured immigrant signed with a ship owner or recruiting agent in England.最后的那个介词短语到底修饰谁？是修饰 agent 还是一起修饰 owner or agent ，还是修饰谓语 sign？有什么语法依据？
...词性解释，我看不懂牛津字典的解释是什么成分。a play or a film/movie in which part or all of the story is told using
songs and often dancing.这里a play in which part of the
story中的in which是定语从句吗？which代替哪个先行词呢？还是in which作为介词短语...
...,000 miles per hour.B: As schoolchildren,we learn that the earth is moving about our sun in a very nearly circular orbit.我最近看了很多您关于静态动词的分析。根据您的分析要根据句子的描述的情景，来推测静态动词还是动态动词。就这两句话来说，我...
Never forget that Russia is not another world, it’s another planet. Other planet, never forget it. It’s not enough, other world. It’s another planet, but a very attractive planet, very. It will be attractive always. It doesn’t matter, it will be sovism, communism, socialism, or capitalism, o...
...accuse （P18）作“to
say that you believe someone is guilty of a crime or of doing something bad 控告，质控；指责”解时，可以构成“accuse
somebody of doing something”。例如：
Smith accused her of
lying. 史密斯指责她说谎。
They accused him of
cheating 他们指...