But practicality is hardly a defining characteristic.

不过实用性却几乎不是一个可以定义的特征。

D. Friendliness is a defining characteristic of affability.

友善是和蔼的必然特征。

And if there's one single defining characteristic among academics, it may be just that.

如果学术界有一个与众不同的特点，可能就是这一点。

That blind adherence to pragmatism may even be the defining characteristic of geek fashion.

盲目坚持实用主义甚至可能是时尚的野人的特征。

I've learned that my height, even as a defining characteristic, is only a part of the whole.

我知道我的身高，尽管是我一个特征，也是我的一部分。