大多数学生在作英语笔记记录时，不会使用缩写词和符号，从而遗漏一些重要内容就在所难免。

The majority of students cant use abbreviations and symbols for note taking, and therefore it often results in omitting some important contents.

youdao

莫斯说，游戏玩家通常用数字和符号来代替字母。 他们创造出了一种“l33t speak”“精英语言”（网络黑话），“l33t”读作“leet”，是elite（精英）一词的缩写。

Gamers commonly substitute numbers and symbols for the letters, Morse says, creating what they call "l33t speak" — that's "leet" when spoken, short for "elite" to the rest of the world.

youdao

一般的使用经验：要谨慎地使用电子情感符号和聊天缩写词。

General Rule of Thumb: Use emoticons and chat acronyms sparingly.

youdao