鉴于大家对英语英语考证PETS写作十分关注，我们编辑小组在此为大家搜集整理了“13年PETS4写作精选短语之参考内容”一文，供大家参考！
13年PETS4写作精选短语之参考内容
24/7
Reference to any business service that is offered 24 hours a day, 7 days a week
EXAMPLE:
“Most web hosting companies provide 24/7 technical support to their clients, so clients can be confident that any emergency at any time can be handled promptly.”