We also observe another thing, and that is, you folks not only are solving fewer puzzles, you're also putting less juice into the task -- less effort, you're less persistent, and so on.
我们同时也观察另一个东西， 就是，A组的人不单问题解答得少， 而且也没在这个任务上花多大的心思。 没那么努力，没那么有毅力，等等。