I have asked myself what I wish I had known at my own graduation, and what important lessons I have learned in the 21 years that has expired between that day and this.
我希望在自己毕业那天已经知道的是什么，而又有哪些重要的教训是我从那天开始到现在的21年间学会的。
I have asked myself what I wish I had known at my own graduation, and what important lessons I have learned in the 21 years that have expired between that day and this.
我问了自己什么是我在自己毕业典礼上希望知道的事情，以及在那天及今天所相隔21年的时间里什么是我学到的重要课题。
I have asked myself what I wish I had known at my own graduation, and what important lessons I have learned in the 21 years that has expired between that day and this.
我问自己，希望当年毕业时就该懂得的是什么，和由毕业那一天到此时的过去21年间所学到的重要教训。
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