Smoking has been banned outdoors as well as in, with enforcement by polite requests.

出于礼节要求，室内外都禁止吸烟。

youdao

Make polite requests and responses;

有礼貌地提出请求及回答；

youdao

So the puzzle is, why are bribes, polite requests, solicitations and threats so often veiled?

所以我们说的谜题就是：为什么贿赂、礼貌的要求、恳请、威胁经常要遮遮掩掩的？

youdao

But, according to Eritrea, militiamen from the border province of Tigray persistently encroached on Eritrean territory, ignoring polite requests to withdraw.

ECONOMIST: Ethiopia and Eritrea: Why are they fighting? | The

The removal of content usually involves polite take-down requests that occasionally escalate into cease-and-desist letters and legal threats when necessary, says the company's chief executive, Michael Fertik.

FORBES: Google-Proof PR?