within call

基本解释

You are sitting now in your office- six clerks are all within call.
你正坐在办公室里—你可以随时给六名职员安排任务。
What has the waiter done for a living? Hard-working and within call, he never complains that he doesn't get any money for working overtime.
最后记者问：“那个店小二呢？任劳任怨，随叫随到，加班还不给钱，从没怨言。”
The nurse is within call if you need him.
护士就在旁边，你如需要，一叫即到。
odict.net

The red shirts, known to be supporters of former Prime Minister Thaksin Shinawatra, want the government to call the elections within 15 days.
The teaching fellow for each lecture takes what we call scribe notes. These are posted within a few days online.
助教会把每节课讲义记录下来,这些东西几天内就会被发布到网上去。
哈佛公开课 - 计算机科学课程节选
We call it a function. That is to say it has a function; it has a function within our understanding of the way in which a text has structure.
我们之所以称之为功能是因为它有功能;,我们文本结构的角度,去认识这种功能。
耶鲁公开课 - 文学理论导论课程节选

It aims to respond to every call within 24 hours, document the result and make it available to callers--including the 30% who don't give a name but can check a case number.
FORBES: Cops Inc.