This is neither a treatise in logical theory nor a textbook in logic — though I would not be disappointed to learn that it proves useful in the classroom.

本书既不是一篇逻辑理论论文也不是一本逻辑教科书- - -虽然我也不无期望它在课堂上证明有用。

youdao

Sometimes, learn to put down when a kind of harvest, because there is hope, there will be disappointed.

有时候，学会把失望当次一种收获，因为有祈望，才会有失望。

youdao

Tom was as disappointed to learn that he had to spend his summer holidays at his uncle 's as he was sad that Peter had to be kept strictly to his bed because of measles.

汤姆听到他必须去叔叔家度假时很失望，如同得知彼得因为麻疹不得不严格地卧床养病时一样感到沮丧。

youdao

Many readers may be disappointed to learn that, rather than go to a madrassa, Obama attended the Catholic Santo Fransiskus Asisi school while in Jakarta, according to the Times.

FORBES: By Socialists Obama's No Socialist. But What Do They Know?

As Europe's leading defensive minds ponder ways to slow down the super-sized Welsh back division, they may be disappointed to learn that they possess another common trait that's even more astonishing than how much they weigh or how tall they are: Their age.

WSJ: Wales Unleashes Its Behemoths

An investor buying Apple at the 0.76x PEG ratio would be sadly disappointed to learn that he would only end up with a 8.9% compound annual growth rate at the end of five years.

FORBES: Look Closer At The PEG Ratio And Apple Isn't Such A Bargain