sthofsth是什么语法

语法是of所有格，中文意思是某物的……

例如

成名的弊端之一是失掉了隐私。One of the penalties of fame is loss of privacy.

There were periods of sulking， of pronounced distance， of coldness.出现阶段性的愠怒、明显的疏远和冷淡。

The birth of Christ was the beginning of a major epoch of world history.