The quality of independence is so indispensable for us that parents had better act as a tutor, not a director.

独立的品质对我们来说是如此的不可或缺，父母最好是一个导师，而不是一个指导者。

youdao

A good dictionary is indispensable for learning a foreign language.

一本好词典是学习外语必备的。

《牛津词典》

The quality of independence is so indispensable for us that parents had better act as a tutor, not a dictator.

独立的品质对我们来说是不可或缺的，所以父母最好是做一个指导者，而不是独裁者。

youdao

Throughout much of the 20th century a business plan was indispensable for any new business venture.

ECONOMIST: Idea

Virtually all economists regard these constant-price measures as key economic indicators meaningful and indispensable for analysis of growth and fluctuations.

ECONOMIST: Letters | The

It would be more accurate, albeit tautological, to say that rare earths are indispensable for those technologies that require rare earths.

WSJ: Business Asia: Postcards From the Rare-Earth Front