schedule
1.train schedule（火车时刻表）是美国英语，相当于英国英语的timetable。
2.according to schedule，on schedule，to schedule，up to schedule和behind schedule都是美国英语。according to schedule是“按照预定计划地”。例如：The meeting was held according to schedule. on schedule是“按照预定时刻地”。例如：The train arrived on schedule. to schedule是“按照预定时刻地”。例如：The trains did not run to schedule in that storm. up to schedule是“达到预定计划的”。例如：Our progress is up to schedule. behind schedule是“落后于预定计划或时刻的（或地）”。例如：The train arrived behind schedule. 和We were then badly behind schedule in our work.
3.schedule（动词）作“（预先）规定”解是美国用法。例如：The door is scheduled to be closed at eleven o'clock. 和The trip is scheduled for May.
