back bone

基本解释

This is in fact the back bone of your entire business process.
事实上，这是回到您的整个骨的业务流程。
Human Resources are the back bone of any business and managing them is critical for long term sustainability and competitive advantage.
人力资源是任何业务和管理的分水岭，是长期可持续发展和竞争优势的关键。
Europe suffered terribly because the peasants were the back bone of society doing all the low paying jobs that nobody wanted to do which included things like farming.
因为农民是社会的分水岭，他们做着所有收入低而且没有人愿意做的工作——如农活——所以欧洲受灾严重。

Economist Vincent Chan from Credit Suisse in Hong Kong believes the main problem for the government is to manage expectations of the second generation of migrant workers who form the back bone of China's success.

Unfortunately, congressional forces are aligning that will obstruct replacing this back bone of our health care.
FORBES: The Bipartisan Plan To Eradicate Family Medicine
Without national, secure wireless network that will provide the back bone for the collection and manipulation of power data, the energy industry will always be at odds with the environment.
FORBES: Gil Perez
Small businesses are the back bone of our communities.
WHITEHOUSE: Our Top Stories

Your backbone is the column of small linked bones down the middle of your back.
If you say that someone has no backbone, you think that they do not have the courage to do things which need to be done.