例句：
今天早些时候，美元出现回升。
The dollar staged a recovery earlier today.
昨天，英镑对美元的`汇率上升了。
Yesterday the pound strengthened against the dollar.
这家银行有差不多一亿美元的股本。
The bank has a share capital of almost 100 million dollars.
他们已经承诺了数十亿美元的援助。
They have already pledged billions of dollars in aid.