translation.en: You will be more likely to give up before the 30 minutes elapse, compared to you. So you're putting in less juice, and therefore, the outcome: fewer puzzles solved.
translation.zh: A组的人比B组的人更容易半途而废。 所以，A组的人不怎么重视，得出来的结果是： 解答的问题比另一组少。