同样，这也不是什么火箭科学，只不过是词法上的变异。

Again, this isn't rocket science — just a little bit of a lexical twist.

youdao

在词法上确定范围是指在本地环境中定义变量。

Lexically scoped variables refer to the local environment in which they were defined.

youdao

词法上的灵活性在诸如回归测试和数字签名等方面带来了一些问题。

This lexical flexibility causes problems in areas such as regression testing and digital signatures.

youdao