1. The academics were able to analyse how much time the employees spent in “collaboration hours”, defined as various types of meetings, and how much time they had as “focus hours”, uninterrupted by calls or emails, where they could concentrate on their tasks.

concentrate on 专心于

Water companies should concentrate on reducing waste instead of building new reservoirs

自来水公司应该集中精力减少水浪费，而不是修建新水库*3|j1F35YH。

2. Instead, all their extra time was taken up by meetings.

take up 占用，花费(时间、空间或精力)

I know how busy you must be and naturally I wouldn't want to take up too much of your time.

我知道您肯定特别忙，我当然不想占用您太多的时间8Vpg_WzOxuVc]C=1(V。