她的论点缺乏连贯性。

Her argument lacks any ___coherence.

他解释的连贯性使得复杂话题易于理解。

The ___coherence of his explanation made the complex topic easy to grasp.

没有连贯性，即使是最精彩的想法也可能无法令人信服。

Without ___coherence, even the most brilliant ideas may fail to convince.