求翻译：年轻人相对比较喜欢开得快，动感性比较强，急刹车的情况比较多，刹车片磨损得很快，到3万公里，估计应该需要检查。一些人使用刹车比较少，刹车片就要好一些，到4万公里左右，可能需要换。跑到4万公里最好都要检查一下。是什么意思？

Young people are relatively like to open faster, dynamic nature, the more the situation of the brakes, the brake pads wear quickly, to 30,000 km, it is estimated that should need to check. Some people use the brake, the brake pads better, you may need to change, to about 40,000 km. Ran to 40,000 km