It's a theory to which many economists subscribe, but in practice it often leaves railroads in the position of determining which companies will flourish and which will fail.若将companies改为单数，意思会有很大的变化吗？
...频讲解中，讲课教师在视频中说了一句：My advice is relax and enjoy.请问各位老师们，为什么能在is后直接加动词relax呢？这是省略了to的表语句式么？是不是原句应该为My advice is to
relax and enjoy？还是说在口语中可以直接在is后加动词...
求助翻译：Keeping good company will keep you socially happy and healthy throughout your life.On the other hand, nothing will drag you down more than socializing with people who hold you back from your full potential.
原句是: After the Soviet Union collapsed in 1991, many in St. Petersburg could no longer afford to care for their cats, and so the Hermitage decided to adopt some of the stray cats to add to the descendants of the original cats brought from the city of Kazan 100 years before that.
So for a company in this situation, keeping up to date with the latest technology, even if it's only for the benefit of key staff, this can be hugely expensive.请问老师，keeping up to date with the latest technology是同位语还是分词？
第一句：MALE PROFESSOR: Since Earth formed, some four and a half billion years ago, the number of minerals here has increased dramatically, from a few dozen relatively simple minerals early on...to over 4,300 kinds of minerals we can identify today-many of them wonderfully complex.教授:&n...
...是一段语法填空题:When the first European ship arrived on Easter Island in 1722, all statues were stading there. Later more and more of them fell down as the years passed. No one knows _______ it happened. The most common idea is that the statues were pulled down in tribal warfare. But no one...
以下是雅思范文中的两则句子：It is understandable for people to expect schools teaching useful subjects. After all, most young people attend university in the hope that they can learn something useful to find a decent job. However, such a viewpoint does not necessarily lead to the concl...
... in the dust visions from that deadly day when the very ground was on fire and the powder and smoke caked the living and the dead. 参考译文：有些哀悼者在尘土中看到了那个致命的日子的景象：大火就在这这块土地上燃烧，灰尘和烟雾落在活人和死人身...
I'm going to vist______New York______Los Angeles this summer holiday.请问老师这句话除了either or之外是否也能用both and 和 neither nor?今年暑假我要不去纽约要不去洛杉矶。今年暑假我纽约，洛杉矶都去。今年暑假我既不去纽约也不去洛杉矶。
... word brings a serious
tone. While it is often used to talk about problems and their solutions, a big
steak dinner could be called substantive as could a very long piece of writing.
In any case, you use it when there is a lot of substance involved.
来源于vocabulary.comWhen something is substanti...
...ied. It seems to me there are many things (often more a matter of attitude and perception than the simple memorization of facts) that the schools should teach — things that truly would be useful in later life, useful in making a stronger country and a better world, but useful also in making people...