A lot of people have an overwhelming loneliness.

　　很多人都有著很深的孤獨(dú)感。

　　She had no companions but silence and loneliness.

　　陪伴她的只有沉默和孤獨(dú)。

　　Besides, empathy can be a cure for loneliness and sadness.

　　此外，共情能力可以用來治愈孤獨(dú)和悲傷。