Its author, Dr. Henry Petroski, has long been writing about disasters.
它的作者亨利·佩卓斯基博士，长期以来一直在写关于灾难的文章。
2
"Success is success but that is all that it is," Dr. Petroski writes.
“成功就是成功，但也仅此而已。”佩特罗斯基博士写道。
3
Though he acknowledges that engineering works can fail because the person who thought them up or engineered them simply got things wrong, in this book Dr. Petroski widens his view to consider the larger context in which such failures occur.