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。
2
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。
3
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.