Remember how you used to plough through great masses of work day after day and month after month, cheerily, enthusiastically, with never a sign of tiring or nervous strain?

• （是否还记得过去的你经常在日复一日的繁杂工作中勤勤恳恳、充满热情，毫不厌倦、不知疲惫的那些时候吗？