1：Some changes have taken place in the past five years.過(guò)去五年發(fā)生了很多變化
2：Great changes will certainly be produced in the international communications.在國(guó)際交流中理所當(dāng)然會(huì)發(fā)生很多大的變化
3：It has increased/decreased from…to…他已經(jīng)從…增加/減少到…
4：The output of July in this factory increased by 15%.這個(gè)工廠7月份產(chǎn)量以增加了15%
2：Great changes will certainly be produced in the international communications.在國(guó)際交流中理所當(dāng)然會(huì)發(fā)生很多大的變化
3：It has increased/decreased from…to…他已經(jīng)從…增加/減少到…
4：The output of July in this factory increased by 15%.這個(gè)工廠7月份產(chǎn)量以增加了15%