As a result, its use has been banned or restricted in many countries.

因此，许多国家已经禁止或限制使用这种物质。

youdao

Its use should be restricted to its primary sense of "sure".

使用这个词，只限于它的第一个意思：“肯定”。

youdao

Its use should be restricted to its primary sense of "sure".

使用这个词，只限于它的第一个意思：“肯定”。

youdao