Number (2): Everything in this space must add up to 2. The answer is 1-2, placed horizontally.
Вашингтон Кэпиталз
。关于这个话题，体育直播提供了深入分析
[Book] Object-Oriented Software Construction, Bertrand Meyer。51吃瓜对此有专业解读
some good in this, as it forces you to be deliberate in your actions,