Some phone companies in the us already offer call-blocking service, allowing the user to block calls from Numbers that are proving a nuisance.

美国的一些电话公司已经提供呼叫限制服务，它能使用户阻挡来自骚扰者的电话。

Not that I don't understand the nuisance of making a phone call.

不是我不明白打电话很麻烦。

Well-run businesses, for example,do not see customer complaints as a nuisance; instead they use the datagathered from websites and call-centres to fine-tune the products and servicesthat they offer.

例如，经营良好的商家，绝不会将顾客的抱怨当作噪声，而会将这些搜集于网络和呼叫中心的信息用来改进其产品和服务。

Oh, what a nuisance! Now we can't call him!

噢，真糟糕！现在我们无法打电话给他。