A Conrad bearing is assembled by placing the inner and outer races radially offset, so the races touch at one point and have a large gap on the radially opposite side.

• ?许多'80后'都准备依靠老人伺候月子、带孩子，实在没办法就花高价请月嫂，在心理上总想依赖父母、依靠社会，缺少自我付出的准备。