英语不是最容易学的语言——它的大多数常用动词都是不规则的，而且它的词汇量很大——常用单词至少有20万个。
English is not the easiest language to learn—most of its common verbs are irregular and it has a large vocabulary—at least 200,000 words are in common use.
有多少是本应被单词列表包含的常用单词？有多少是很晦涩艰深的罕见词汇？
How many of them are common words that should be in the word list, and how many of them are really obscure?
不要以常用单词或个人信息作为密码，不要在多个站点使用同一密码，手机也要设置密码。
Don 'tuse common words or personal information. Don't use the same password on multiple sites. Putone on your cellphone.
应用推荐