短语讲解：

1. Parents gave $2.50 each to pay for carpet, whiteboards and other teaching materials.

pay for 赔偿; 为…付钱; 因…受罚[痛苦]
例句：I' ll give you double pay for working overtime.
你加班我付你双倍工钱。

2. In addition, the Australian government's 2013 decision to cut the number of refugees it admits – in addition to turning away ships carrying migrants – has created a backlog of refugees in Indonesia.

in addition to 除…之外
例句：In addition to the tractor, we have acquired a new rice transplanter.
除了拖拉机，我们又添了一台插秧机。

3. They like to think about the future.

think about 考虑…; 捉摸…
例句：I'll have a think about that
我会考虑考虑的。