it is necessary that

意思翻译 有必要…… ……是必要的 相似词语短语 that is it───就这样 is that it───就是这样 it is that───是这样，就是嘛 it is noted that───人们注意到…；有人指出；据记载。。。， （人们）注意到。。。 it is certain that───毫无疑问。。。， 肯定。。。；毫无疑问……；肯定…… it is apparent that───很明显 so it is that───就是这样 necessary───n.必需品...