1. The first is not the same as the weight, followed due to different shape, if the words to use squash squash rackets tennis beat easily broken, however, unnecessary losses, If playing squash with the tennis racket, you will find it hard because the tennis racket squash are weight rackets too much.
    首先是重量不一样，其次就是造型不一样，倘若要用壁球拍打网球的话壁球拍就很容易折断，然而造成不必要的损失，若用网球拍打壁球的话，你会感到吃力，因为网球拍比壁球拍重太多了。

2. You want to use some of the remaining capacity to manufacture 20, 000 squash rackets each year for the next 10 years (which will use up 40% of the total capacity), and this market is assumed to be stable.
    您想要使用的一些剩余容量，以制造20000壁球拍，每年为今后10年（其中将使用了40 ％的总容量），这个市场是被假定为稳定。