We have a lot of invitation cards, but they are all for the same date.
我们接到了许多请帖,但是上面的日期却全都是同一天。
It is better to ask for help at the beginning rather than to wait until a busy period when everyone is rushed off their feet.
最好在开始工作时就请人帮忙,而不是等到大学都忙得不可开交的时候。