Thereisacommon,usuallyroundobjectthatyoucanseeeverydaya...
問題詳情:Thereisacommon,usuallyroundobjectthatyoucanseeeverydayanditappearsinmanyexpressions—buttons!Buttons,whicharemadeofmetalorplastic,arefoundonallsortsofclothing.Theyfastenorconnectonepieceofclot...