1, the reason why steak is not cooked, because steak in the cooking process is not very obvious difference between the degree of raw and cooked, most of them will be used in an odd number of ways to differentiate, where the "points" does not refer to the percentage.

2, steak a few points, is divided according to the cooking time, but in daily life steak cooked mainly depends on the experience of the chef as well as skills.