你花很多时间设置这些障碍物，就是在结合天然障碍物，也就是赛程中所包含的障碍物。
A lot of time when you are building them you are trying to incorporate natural objects, or things that are involved in the course.
当然，地图上的天然障碍物也是很好的庇护所，如果能够巧妙运用这些障碍物进行反弹球，也会带来出其不意的效果。
Of course, the natural obstacles on the map is also very good shelter, if we can skillfully use these obstacles to rebound the ball, will also bring unexpected results.
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