将“mastery"翻译成中文

While smaller, the amounts spent by other organizations also attest to a willingness to encourage the learning and mastery of languages by staff members.

其他组织的开支数额虽然较小,但也表明了它们愿意鼓励工作人员学习和掌握多种语文。

There can be no denying that permanent membership confers considerable advantages: better institutional memory, greater mastery of the game, et cetera.

无可否认,常任理事国具有很大优势:更了解本机构的历来情况,更多地掌握通盘情况等等。

And, in the few recorded statements that have been released, he displays a mastery of classical Arabic.

而在目前公布的为数极少的有记录文件中,他表现出对阿拉伯古语的精通。