Elementary number theory
[计] 初等数论
🧩 词语组成解析
🗣️ 情景例句
Is he a client?
他是顾客吗？
We hope this will be a good start for profitable business relations and assure you that your offer will receive our careful consideration.
希望这将是我们互利商业往来的良好开端。我们保证将对贵方的报价予以认真的考虑。
Beyond all questions you are right.
毫无疑问，你是对的。