In the traditional polling method, the client sends a request to the server and always either gets an immediate response if the server has any updated data, or a no-data-available response.

在传统的轮询方法中，客户机发送一个请求到服务器，然后总是可以收到一个即时响应(如果服务器有更新数据)或者一个“无可用数据”的响应。

youdao

It has always bothered me when I or a fellow workmate requested a transfer only to have the request ignored or denied, seemingly without any thoughtful consideration.

一件常常困扰我的事情是，当我或者一名同事要求调任时，这样的要求得到的往往仅有忽视或者拒绝，看起来就像是没有经过任何的深思熟虑。

youdao

The care home's owner did not respond to the BBC's request for a comment, but has always denied liability.

BBC: Dean Spicer