而脚本正在下载，但是，浏览器不会启动任何其他下载甚至上不同的主机名。

While a script is downloading, however, the browser won't start any other downloads, even on different hostnames.

youdao

你正在下载的那个人可能正在平行的上传给许多其他的用户，他们可能设定了一个相当低的上传速度或者可能就是没有足够的带宽。

The person you're downloading from may be uploading to a number of other users in parallel, they may have set a rather low upload speed limit or may just have not had a lot of bandwidth to begin with.

youdao