Many senior academics opposed the move, citing “derisory graduation rates, crushing levels of debts and degrees of dubious value” from some for-profit American companies.

许多高级学者反对这个行为， 认为这是由一些以营利为主的美国公司带来的“低得可笑的毕业率，高得离谱的债务和一文不值的学位”。

A decade ago, he says, towed minehunting sonar arrays were of dubious value beyond 50 metres or so to either side.

他说，十年前，拖曳式猎雷声纳阵列在任何一侧超过 50 米左右时的价值都值得怀疑。