Bandits steal pilgrims' food, money and goods; water purity is unreliable; bad trades can cause bankruptcy.

强盗偷走朝圣者的食物、金钱和物品；水的纯度不可靠；糟糕的交易会导致破产。

And you, as everyone else in your firm, graduated from either Harvard or Cambridge, which waters down the purity.

和你事务所其他的人一样，要么毕业于哈佛要么是剑桥，人员不纯。