1、The first stage in research is data collection.研究工作的第一步是收集资料。
2、The fact is， they're there to make money.真实的情况是，他们去那儿是为了赚钱。
3、Things ain't what they used to be.现在情况不比从前了。
4、Now is a good time to invest in the property market.现在是对房地产市场投资的好时机。
is，前面和后面接什么
is 前面可以加非常多的单数名词
It is book.
he is a boy.
she is a girl.
dog is baking
cat is sleeping.
还可以加上万个单数名词
