援交妹

prostitute (slang) / see also 援助交際|援助交际[yuan2 zhu4 jiao1 ji4]

to help / to assist / to aid

abbr. for 援助交際|援助交际[yuan2 zhu4 jiao1 ji4]

to hand over / to deliver / to pay (money) / to turn over / to make friends / to intersect (lines) / variant of 跤[jiao1]

younger sister