Preferably, the outer piece inner surface has a recess therein configured to encompass the shirt sleeve button.

优选地，外部部件的内表面中具有凹槽，其被构造成包围衬衫袖口钮扣。

youdao

Preferably, the outer piece inner surface has a recess therein configured to encompass the shirt sleeve button.

优选地，外部部件的内表面中具有凹槽，其被构造成包围衬衫袖口钮扣。

youdao