They think that the stick is a naturalkind of tooth care.
他们认为棍子是一种天然的牙齿护理。
2
A good asset manager will then husband them carefully, knowing that it will take an ever-increasing amount of human or physical capital to make up for further losses of the naturalkind.
The building is made up of two systems. The lower part is a naturalkind of cultural stone and the upper part are modern aluminum blind. hiding and emerging will benefit from each other's challenges.