運動雖然能使身體健康，但卻也常常造成受傷。每項運動都有操作上的危險，因

運動雖然能使身體健康，但卻也常常造成受傷。每項運動都有操作上的危險，因此必須事先做好防護。如此一來便能避免受傷。

結果 (英文) 1:

Although the movement to make health, but also often cause injuries. Each sport has its dangerous operation on, it is necessary to advance good protection. In this way will be able to avoid injury.

結果 (英文) 2:

Although exercise can make good health, it often causes injury. Every sport is operationally dangerous and must be protected in advance. In this way, injuries can be avoided. ...

結果 (英文) 3:

Although sports can make people healthy, they often cause injuries. Every sport has operational risks, so it must be protected in advance. In this way, injuries can be avoided.