Nowadays現(xiàn)在, there are more and more __ _ in _+名詞_ _. 在。。。反面有越來越多的。。。It is estimated that ___. 據(jù)估計。。。Why have there been so many ____?為什么有這么多。。。 Maybe the reasons can be listed as follows. 也許原因如下。。。 The first one is ______. 第一個原因是。。。Besides,而且。。。_____. The third one is _____. 第三個原因是。。。To sum up總之, the main cause of it is due to _____.最主要的原因是由于。。。 It is high time that something were done upon it是時候我們來改善它了. For one thing,一方面我們可以做。。。_____. For another thing, _____另一方面我們可以。。。. All these measures will certainly reduce the number of _____. 所有的這些措施都可以確切的減少。。。