loss可數嗎

　　Her departure is a big loss to the school.

　　她這一走對學校來說是一個巨大的損失。

　　Nothing can make up for the loss of a child.

　　失去一個孩子是任何東西都無法彌補的。

　　He had to endure six months' loss of liberty.

　　他得忍受六個月失去自由之苦。