He was refining the file each time he presented it and calling us with feedback and we'd go for another round.
每做一次陈述，他都要在原先基础上再次改进，还会打电话向我们告知现场反馈，于是新一轮的工作又开始了。
2
Though billiards had already been popular for more than 100 years at that time, Mingaud was the first person to round the end of a pool cue with a file and apply a leather tip to it.
尽管当时，台球已盛行了百余年，而敏高德却是第一个使用锉刀把球杆尾端磨圆，并用皮子包上的人。
3
As we can see the file reading function changes little - other than to have "async {...}" workflow wrapped round it and to make a call to the "ReadToEndAsync" function instead of "ReadToEnd".