It needs positive money flow to sustain a business.

它需要正面的流动资金来保持业务。

youdao

Let us tell you one more time: If you aren't cash-flow positive before you spend all the money we have given you, don't come back looking for more!

让我们重申一次：在用光我们提供的资金之前，你们的现金流仍没有什么起色的话，那就不要再伸手向我们要钱！

youdao

My interpretation of the positive money flow in BlackBerry is that much of it was short covering.

FORBES: Money Flows Out Of Apple And Into BlackBerry

The point is that while overall money flow in BlackBerry was positive, Smart Money Flow was selling.

FORBES: Money Flows Out Of Apple And Into BlackBerry

Of interest is that money flow was negative in Apple while the stock was going up and money flow in BlackBerry was positive while the stock was going down.

FORBES: Money Flows Out Of Apple And Into BlackBerry