be indispensable to do还是doing

be indispensable for 与 be indispensable to 的区别 be indispensable to do还是doing indispensable indispensable Air,food and water are indispensable to life.翻译中文! sexually indispensable The Indispensable 英语翻译I may be said without fear of exaggeration that it has been indispensable to everyone,and is the inevitable result of social development.麻烦看下这句话有语法错误吗？ 求翻译they are indispensable to people’s social weel-being a variety of exercises___(is/are)indispensable for students to master the knowlege of the subject. The influential work of sociologists of science,has become indispensable to such geographies求翻译 英语翻译It is indispensable for us to have a Chinese partner in order to operate,but this partner has to be able to guarantee us a series of issues connected with the territory,the uses and local laws and in the case in point,able to assure us th 这2道选择题目分别选什么,说明原因?9.Your _______ for this paper is too long to be accepted.A.entrance B.guidance C.abstract D.represent10.Water is as _______ to fish as air is to man.A.obvious B.basin C.indispensable D.constant 请懂英语的朋友帮忙看一下这个英语语法是怎么回事?怎么会有两个be动词?这句话是林肯说的：When an end is lawful and obligatory,the indispensable means to it is are also lawfull and obligatory.为什么有两个be动 Air and water are indispensable to me.中的to me 是不定式作甚么成分?目地状语吗? 英语翻译On a Harmonious Dormitory LifeDormitory life is an indispensable part of college life.But sometimes the harmony in the dormitory can be disturbed in one way or another.As is known to all,a harmonious dormitory life is important to college It could hardly be distinguished啊,达人快来相助～for to这两个借此很用以搞混啊,怎么区别啊,尤其是表示“对...而言”“相对”这个意思的时候Air is indispensable to life.It is good for you.I will get my revenge o indispensable什么意思