中国大学MOOC: The irrelevant issues can waste time and make the goal inaccessible.
举一反三
- 中国大学MOOC: Worthwhile topics usually address issues that have significant ________for the audiences as nobody wants to waste time and energy on meaningless things.
- When you can't make decisions with （）, you waste precious time and energy.
- 中国大学MOOC: Doctors are racing against time to o________ the treatment so that they can save more patients. (--to make something as good as it can be)
- We’re spending too much time on _________ details. That’s a waste of time. A: irrelevant B: relevant C: related D: relative
- Introducing irrelevant issues to distract readers is ( ).