这部纪录片是对这位导演职业生涯的回顾。

This documentary is a ___retrospective of the director's career.

美术馆正在举办毕加索作品的回顾展。

The art museum is hosting a ___retrospective of Picasso's works.

新的规定将从今年开始实施，但某些条款会追溯性地影响到去年的合同。

The new regulations take effect this year, but some clauses will apply ___retrospectively to last year's contracts.