Remember, sometimes markets misallocate resources because they don't have the right price signals.

记住，有时市场会因为没有正确的价格信号而错配资源。

You have a right signal and a left signal in most cars.

大多数汽车都有一个右信号灯和一个左信号灯。

’You saw my signal all right?

“你看到我的信号了吗？

Generally, a tail wag to the right signals happiness, while to the left could indicate fear.

一般来说，向右摇尾巴表示快乐，而向左摇尾巴则表示恐惧。

If yours overlaps with your neighbor’s, it’s much harder for your device to stay connected to the right signal.

如果您的信号与邻居的信号重叠，您的设备就很难保持连接到正确的信号。

But rarely, with the right signal from the body, certain cells can change forms. In this case, the turncoats are called cardiac fibroblasts, a type of connective cell, which can become blood vessel cells after an injury.

但在极少数情况下， 通过来自身体的正确信号， 某些细胞可以改变形态。在这种情况下， 外衣被称为心脏成纤维细胞， 一种结缔细胞， 在受伤后可以变成血管细胞。