试题题干
Give a short answer in English to the following question.
When a request does not hold the prospect for a potential sale, how can you make your letter even more convenient for your reader?
参考答案
试题解析
（1）列举和列出你想要的具体事实。
（2）附上自寻址、加盖信封
（3）提出一种你可以同等回应的方法。