爭什麽呢？你看到一點而已。我們是局外人，不要以為全知道。

As for trading, managing risk is a big task!  說沒辦法hedge, 你不懂而已。誰會讓你開這車如果你說沒法停？

銀行借了錢出去，會把loan賣了，for mortgages, that is why there are three government agencies to faciliate the money move back and forth.  Never say ... it can't be hedged, it is funny.