Avail of this good opportunity.

好好利用这个机会。

Well, I know I am now, no matter what to say to no avail of!

好了，我知道我现在不管说什么也是没有用的了！

To avail of this you need to have a very high credit rating.

利用这个你要有很高的信用评级。

Do I want more people to buy my product or avail of my services?

我希望更多的人来买我的产品，或利用我的服务？

But we must know how to avail of this treasure and how get the most from it.

可是咱们必需知道怎样利用这种财富，并且是充分利用。