rub
/rəb/
an unforeseen obstacle
中文释义：困难；障碍
The only rub is that we lack sufficient funding.
唯一的困难是我们缺乏足够的资金。
There's the rub: we have to finish by Friday.
问题就在这里：我们必须在周五前完成。
/rəb/
an unforeseen obstacle
中文释义：困难；障碍
The only rub is that we lack sufficient funding.
唯一的困难是我们缺乏足够的资金。
There's the rub: we have to finish by Friday.
问题就在这里：我们必须在周五前完成。