loss of bamboo growing areas 竹子在生长区的消失
loss ：n. 损失；遗失；丧失
make a loss 亏损
at a loss 不知所措；困惑
He was determined to try his best to make up for the loss.
他下定决心尽最大努力弥补损失。
The company made a loss of $ 250,000 last year.
去年公司亏损二十五万美元。
The loss of his wife was a great blow to him.
他妻子的去世对他是个巨大的打击。
For a moment, Tom was at a loss how to respond to her questions.
汤姆一时不知怎么回答她的问题。
When her son left home, she felt at a loss.
当儿子离家时，她一时不知怎么办。
He admitted te mistake and promised to make up for the loss.
他承认了错误，并承诺会弥补过失。
He was at a loss what to say to the teacher's question. Obviously he was lost in thought just now.
他对老师的问题一时不知所些什么。很明显刚刚他走神了。