“publicly known”可以造什么句，publicly known造句

Shows on films the development of postal service in Hong Kong since the colonial beginning, interspersed with interesting episodes seldom publicly known.

The initial return earned by uninformed investors was affected not only by publicly known pre-IPO market return but also by the turnover rate of stock transactions in the first day of trading.

He stayed in his den, lying down there, and pretended to be sick. He took care that his sickness should be publicly known.

Try to maintain a reasonable balance between what's privately cherished and what's publicly known.