饭店员工是不收小费原则的唯一例外。

Hotel staff is the one exception to the no-tipping rule.

youdao

唯一例外是当用户没有删除权限或数据库被标记为损坏 ；

The only exceptions are when a user does not have delete rights or when the database is marked as corrupted; then, the .

youdao

唯一例外的是1991这一年，与前一年相比略微有所降低。

The only exception was the year of 1991, when there was a slight decline as compared with the previous year.

youdao

So, if we're talking about hydrogen, that's our one exception so far to the octet rule.

那么，如果我们讨论的是氢原子，它是目前我们遇到的八隅体规则的唯一例外。

麻省理工公开课 - 化学原理课程节选