For every operation you can compare to the same time window yesterday and a week ago so you can follow the behavior as your application changes.

你可以和昨天或者一周前的同一时间窗口内的操作进行对比，从中可以观察到应用程序的改进过程。

youdao

Maria: Yes. I'd spend some time at the station. I'd follow the ratings. Then, after I learned everything about the show, I'd think about changes.

玛丽亚：是的，我会花一些时间在这个电视台上，跟踪它的收视率。然后当我了解了节目的每个环节后，我会想着做些改变。

youdao

Follow-up research suggested impacts might increase over time as the changes 'bedded down' in schools.

随访提示，当变革“植根”于学校，影响可能随时间而增加。

youdao

Patients diagnosed with prostate cancer who choose "active surveillance" over immediate treatment can follow changes in their PSA over time to help with decision making.

WSJ: Are PSA Tests a Good Idea for Screening Men for Prostate Cancer?

Like people, hamsters follow precise circadian rhythms, so changes in time will similarly throw off their internal clocks.

FORBES: Why Holiday Travel Makes You Dumb

With the upcoming elections fast approaching and the potential changes to taxes to follow shortly thereafter, now is the time for small businesses to gain some additional shelter from taxes by starting a 401(k) plan.

FORBES: Why this is the year to start your small business 401(k) before the September deadline