Mac Os X：方法（IDE，工具等）使用C＃开发应用程序而无需bootcamp和虚拟机

I'm a student who is studying Business Informatics. In college, we are using Visual Studio but at home I'm a Mac user. This is where the problem starts; I installed Vmware Fusion to install Windows 7 and Visual Studio but I didn't like its performance because it was laggy even if I gave it 5 gigs ram. So I did a search about how to develop programs with C# on Mac OS C and I found Mono Develop and Xamarin Studio. I'm a student who is studying Business Informat