After a four-year relationship with a major furtune 100 company beginning as a salestrainer and ending as a regional sales manager, I left the company at the height of my career.
Start with short drops for small youngsters because, in the beginning, a truly free drop can be painful if the height is too high.
初学的儿童应该从较低的高度开始，如果一开始高度过高，手是会疼的。
3
The cattle boom reached its height by 1885, then the range became too heavily pastured to support the long drive, and was beginning to be criss-crossed by railroads.