&nbsp;我有Econ104 的textbook （绿色的） 70usd 和 sociology101的 textbook（全新）75usd； econ104 和 soc101 都为较简单的课， <br>有兴趣者，请与我联系。<br><br>&nbsp;&nbsp; 7408189087&nbsp;&nbsp;&nbsp;&nbsp; 霍浩文<br>