I'm not authorized to offer any more.

我没有权限，可以提供更好的价格。

Well, I'm not authorized to agree to such a big reduction.

是这样，我无权同意这样大幅度的削价，请你等我一两天，好吗？

B: Well, I'm not authorized to agree to such a big reduction.

是这样，我无权同意这样大幅度的削价，请你等我一两天，好吗？

Bob:But that wasn't an offer. I'm not authorized to go highter.

但那并不是报价,我没有权限提高价格.

The relevant city agency has not authorized the construction project.

有关城市机构还没有批准该工程建设项目。