Before then many children were cared for in large impersonal orphanages.

在那以前，许多孩子在无人情味的大孤儿院里被照料。

If someone doesn't buy it before then.

如果在此之前没有人买走的话。

Before then, they had to use us dollars.

而在此之前他们不得不使用美元。

Some smarter kids even know that before then.

一些聪明一些的小孩甚至在这之前就知道了。

Of course you may hope to sell long before then.

当然你或许不会等那么久，提早出手抛售黄金。