Her mission in life was to work with the homeless.

　　她以幫助無家可歸者為己任。

　　The number of homeless people has increased dramatically.

　　無家可歸者的人數(shù)急劇增加了。

　　The number of homeless people is a telling comment on the state of society.

　　無家可歸者的數(shù)量是社會狀況的生動寫照。

　　Many of those living on the streets are not officially homeless.

　　根據(jù)法律定義，許多流浪街頭的人并非無家可歸者。

　　Hundreds of people were rendered homeless by the earthquake.

　　成百上千的人因為地震而無家可歸。