To catch a husband is an art; to hold him is a job.

一个理论最重要的在于其预测的有效性，而非其美学吸引力。

The ability to associate depends, in turn, on the degree to which communities share norms and values and are able to subordinate individual interests to those of larger groups.

最肥沃的生长土壤是相信使命的团队。