1. You can answer based on your personal habits, whether you prefer doing puzzles during trips or when you're bored. 2. You can also explain why you choose to do puzzles at those times, such as for relaxation, entertainment, or mental stimulation.

1. 你可以根据自己的个人习惯回答，说明你更喜欢在旅行时还是无聊时做谜题。 2. 你也可以解释为什么选择在那些时间做谜题，比如为了放松、娱乐或是刺激大脑。