2 examples of lacune in sentences

It soon appeared, however, that the convent education had left many a lacune, and the grandmother felt that the result of the three years' claustration in nowise corresponded to its expense.

Ici lacune, étude complaisante et approfondie d'un détail, tel est l'inconvénient de toute publication fractionnée.

2 examples of  lacune  in sentences