Diamond mining is a highly profitable industry. There are, however, certain risks involved. 钻石开采是个高利润的产业，但其中也有某些风险。

If you take money from the fund, however small the amount, you must record it in this book. 如果你取用基金的钱，不管数目多小，都必须登记在这个本子上。

We're determined to have a wonderful holiday, however much it costs. 不管要花多少钱，我们都决心好好度个假。

However many times you explain things, you can never get him to understand. 不管你把事情解释多少遍，你都无法让他明白。

We are determined to solve this problem, however long it takes. 不管花多少时间，我们都决心要解决这个问题。

However you look at it, this is very worrying news. 不管你怎么看这都是一条非常令人担忧的消息。