In y H. L. Mencken, the author tries to establish a kind of impressionistic style which results much from his choice of words that contribute a lot to the realization of his stylistic ideal.

门肯的《爱丑之欲》具有明显的印象主义风格，这种风格在很大程度上归因于作者在词汇选择上的文体价值观念。

youdao

Y You don't want to rename them L and R or X and Y right because you want to call them left and right.

你不想把它们重命名为L和R，或者X和,因为你想叫它们为left和。

哈佛公开课 - 计算机科学课程节选

So it's OK to not specify. I want to point out, pz whether you're in the p x, the p y, or the p z, unless a question specifically m asks you to specify the m sub l, which occasionally will happen, but if it doesn't happen you just write it like this.

我想指出的是，无论你在px，py或，除非一个问题特别地,让你指出l下面的，这种情况有时会发生，这样就可以了,但是如果它不做要求你们写成。

麻省理工公开课 - 化学原理课程节选

Excluding Facebook, Twitter is the only product with proven abilit y to entice norma l people to produce and share content on a broad array of topics in scale.

FORBES: Google Can't Beat Facebook At Social, Valley Insiders Agree