linux 中ll命令不存在:UP TO THREE WORDS 指最多还是最少有三个单词？

UP TO THREE WORDS 指最多还是最少有三个单词？ how to translation professional words hot to translate professional words how to translate such words how to translate such words Which three words are the most common words in social life? Which three words are the most common words in social life? up to you 是什么意思？ up to you 是什么意思？ up-to-date 是什么意思？