英语语法分析

I came to live at the farm by happenstance.

我到这个农场来生活纯属偶然。

《柯林斯英汉双解大词典》

That first one was kind of happenstance.

第一个是偶然。

My project has benefited from this happenstance.

我的计划从这种偶然性里获益良多。