The issue of the tradeoff between minimum competency and what is sometimes called world-class standards is rarely raised in any explicit manner, but it has bedeviled this debate since the beginning.

• 在最低能力标准和时常被称为世界级标准之间协调权衡的问题很少被以明确的方式提出来，然而这个问题从一开始就困扰着这场辩论。