但这种意志力和克己精神已属罕见&像洛克菲勒家族（Rockefellers）和希尔顿家族（Hiltons）那样令人遗憾的案例更为普遍。
But such willpower and self-denial is rare-sad cases like the Rockefellers and Hiltons are more common .
希尔顿家族