Know how to behave at a fine restaurant, which is a telltale measure of social maturity.

Know how to behave at a fine restaurant, which is a telltale measure of social maturity.

知道如何在一家好的餐厅表现得体，这是衡量社交成熟度的一个指标。

-- Marilyn vos Savant 玛丽莲·沃斯·莎凡特