it is saving time 和 it is time-saving 的区别?

it is saving time 和 it is time-saving 的区别? the advantages of the computer are that it is convenient and saving time.这句话对吗?it is 要不要改为they are ,saving time 要不要改为 time-saving?理由是什么? what time is it和wen is it的区别 what is the time 和what time is it的time属于什么句子成分 saving is getting. 请教什么是Daylight Saving Time time saving 的中文意思 it is time for和 it is time to 有什么区别 it is time to do sth 和it is time for sth有区别么 what time is it 和what time is it有什么区别 it is time for和 it is time to 有什么区别 It is time to do something.和It is time for something.有什么区别 It is time for something.和It is time to do something.有什么区别? it is time for,和it is time of的区别 It is time to do sth和It is time for sth有区别吗? it is a long time和it is long time 的区别 如何区分What time it is?和What's time?和What如何区分What time it is?和What's time?和What the time? It is high time