You have to be prepared to start at the bottom and work your way up.

你得准备好从最基层干起，努力向上。

《牛津词典》

We started from the bottom and we had to work our way up to the top.

我们从最底层做起，必须奋斗到最高层。

《柯林斯英汉双解大词典》

These workers are fed up with being at the bottom of the pile when it comes to pay.

这些工人受够了收入水平处于底层的苦恼。

《柯林斯英汉双解大词典》

So working with the government of Morocco,we are hoping to really help to see blossom a lot more economic activity at the lower levels that will then from the bottom-up build prosperity,"

VOA: standard.2009.11.03

So you just say,okay fine, this is the macro circumstance that we're dealing with and we're going to do absolutely the best job we can identifying individual,specific,bottom-up opportunities to deploy the funds.

于是你只能说,好吧,这就是我们要应对的宏观环境,我们绝对要全力以赴,发掘独特,明确,由下而上的机会,来配置基金进行投资

耶鲁公开课 - 金融市场课程节选

And I am committed to working with President Calderon to promote the kind of bottom-up economic growth here in Mexico that will allow people , and as a consequence will relieve some of the pressure border,".

VOA: standard.2009.04.17

Therefore, the ACE Program is a two-pronged, top-down, bottom-up strategy to connect regional early-stage products and companies to anchor customers and vice versa.

FORBES: Why Large Companies Should Become Anchor Customers

Germany is groping for a mix of top-down direction-setting and bottom-up buy-in for its Energiewende to work.

ECONOMIST: Germany��s energy transformation

The first axis looks at how leaders exercise their power, from centralized and top-down to decentralized and bottom-up.

FORBES