15美元英語怎麼寫

例句：

今天早些時候，美元出現回升。

The dollar staged a recovery earlier today.

昨天，英鎊對美元的`匯率上升了。

Yesterday the pound strengthened against the dollar.

這家銀行有差不多一億美元的股本。

The bank has a share capital of almost 100 million dollars.

他們已經承諾了數十億美元的援助。

They have already pledged billions of dollars in aid.