后彎的勞動(dòng)供給曲線 backward bending supply curve: 向后彎曲供給曲線backward sloping supply curve: 后向傾斜供給曲線backward-sloping supply curve: 向后傾斜供給曲線market labor supply curve: 勞動(dòng)的市場(chǎng)供給曲線backward curve: 反向曲線下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯