stray‘254’ in program是什么错误?

stray "\168" in program 是什么语句错误 in this program 还是 on this program, program 的意思是什么? exchange program是什么? charity program是什么? division program 是什么 翻译program writer 是什么职业 普华永道网申中program of study是什么? This computer program ______(write) in 2004 Then take part in ____ program. （ )difficult to understand tv program in English 【急!】请问 enroll in a degree program