be the mainstay

基本解釋

Treatment of brain metastases using stereotactic radiosurgery alone will to be the mainstay of management for patients with brain metastases. Th…
單純立體定向放療逐漸成為腦轉移瘤治療的主流，分次立體定向放療在腦轉移瘤治療中的作用尚未完全明確。
A: We have decided on an important policy and that is public ownership will be the mainstay and multiple forms of ownership will develop side by side.
溫：我們確定了一條重要方針，就是堅持以公有制為主體、多種所有制經濟共同發(fā)展。
210.34.96.11
The waning of the manufacturing jobs that used to be the mainstay of the working class has created a generation of young males, in particular, who don't know what to do with themselves.
制造業(yè)的工作曾經是工人階層的中流砥柱。而它的消退則讓這一代的年輕人，尤其是男性，無所適從。

Europe reluctantly agreed and, once America walked away from Kyoto, turned out to be the mainstay of the carbon market that the protocol has created.
ECONOMIST: Selling hot air
The waning of the manufacturing jobs that used to be the mainstay of the working class has created a generation of young males, in particular, who don't know what to do with themselves.
ECONOMIST: The state of Britain
Joo Siang realized that despite a few good years, shrimp couldn't be the company mainstay, especially since Taiwan-flagged vessels faced restrictions in certain fishing grounds.
FORBES: Blue Waters Gray Areas