“最好”是个不实际的标准，它缺乏可信性。

"The best" is an impossible standard that lacks credibility.

youdao

为了符合这些不切实际的标准，人们几乎要为之疯狂。

And, people are going to drastic lengths to conform to unrealistic standards.

youdao

syntax-case 宏并不是实际的标准，但是它们在很多 Scheme 系统中都已经实现了。

syntax-case macros are not really standard, but they are implemented on many Scheme systems.

youdao