Someday , foreign investors will be sated or demand higher interest rates , and the u. s.economy will suffer .

总有一天，外国投资者会失去对美国国债的胃口，或是要求更高的利率，美国经济随即将受到影响。

Devotion which is weary , heroism which has grown old , ambitions which are sated , fortunes which are made , seek , demand , implore , solicit , what ?

疲敝的忠诚，衰退了的英雄主义，满足了的野心，既得的利益，都在寻找、索取、恳请、央求什么呢？