What signals do they really want to send ?

他们到底想释放什么信号？

Dediu believes there are better ways to send signals -- through advertising , say , or the products themselves .

但是德迪乌认为可以有更好的方式来传递公司的信号——比如通过广告或产品本身。

Cell phone signals don 't necessarily reach the bowels of big concrete buildings like hospitals .

手机信号有时无法穿通高大的混凝土建筑，医院就是其中之一。

The market , grantham writes , " is sending us the mother of all price signals .

格雷厄姆写道，市场“向我们传递出了价格信号。

Private investments are driven by market signals .

私人投资受到市场信号的驱动。