Which is why意思?

母語人士的回答
Rebecca
Which is why使用表達式來添加有關情況的說明。換句話說,這就是why 。例子: I didn't get much sleep last night which is why I am tired today. (今天我很累,因為昨天我沒睡很多。)例如: Motorcycles are dangerous which is why you should wear a helmet when you ride one. (摩托車很危險,因此您必須戴好頭盔。)