But thinking something is silly is no reason to stand athwart the tide of linguistic change, grumble grumble.

但是，认为某件事很愚蠢并不是阻止语言变革潮流的理由，咕噜咕噜。

It’s reflected in contemporary artwork and population migration and linguistic changes, but we’re going to focus, as we so often have during Crash Course, on trade.

它反映在当代艺术作品、人口迁移和语言变化中，但我们将像在速成课程中经常做的那样， 重点关注贸易。