How had he attempted to remedy this state of comparative ignorance ? variously . by leaving in a conspicuous place a certain book open at a certain page : by assuming in her , when alluding explanatorily , latent knowledge : by open ridicule in her presence of some absent other s ignorant lapse 种种尝试：将特定的一本书放在醒目的地方，把特定的一页翻开来委婉地做些说明，并假定她头脑里对此有着潜在的知识当着她的面公然挖苦不在场的某人如何由于无知而失态。
