So you want to cut the sapwood from the heartwood because the heartwood is extraordinarily strong and you use it for

因此，你希望将边材从心材中来，因为心材异常坚固，适合用于需要承重压的柱子、横梁和类似结构。

And when a log gets to the sawmill, they're going to basically separate those two things because there's different uses for sapwood and for heartwood.

当原运厂时，他们基本上会将边材和心材开处理，因为边材和心材各有不同的用途。