?
查询技巧:
1、输入单个单词准确查询。
2、使用%模糊查询,匹配任意长度字符:
   %a    以a结尾的单词;
   ab%    以ab开头的单词;
   %ac%    含有ac的单词。
3、使用_模糊查询,匹配单个任意字符:
   _a_    三位且a在中间的单词;
   _ad    三位且ad结尾的单词;
   ac_    三位且ac开头的单词;
   _a    两位且a结尾的单词;
   a_    两位且a开头的单词。
4、带连字符-的单词,需含-字符才能模糊查询,如well-know需输入 well-% 。
5、在手机键盘上,如果g上有%和v上有_,则可长按输入。

omissions
CET4

省略
遗漏

1. There were a number of errors and omissions in the article.
这篇文章中有多处错误和疏漏。
2. It has many omissions; even so, it is quite a useful reference book.
那本书有许多遗漏之处,即使如此,尚不失为一本有用的参考书。
3. Attentive proofreading is the only insurance against the kind of omissions described in this section.
仔细校对是避免本节提到的那种遗漏问题的惟一预防措施。
4. And there were some striking omissions.
这当中有些惊人的遗漏。
5. The list was notable for its omissions.
引人注目地是,名单表上出现的省略。