纽约充满活力且昂贵，相比之下，我的家乡则安静且生活成本低。

New York is vibrant and expensive, while my hometown, ___by ___contrast, is quiet and affordable.

与她健谈的兄弟不同，她非常内向。

She is very quiet, ___in ___contrast ___to her talkative brother.

阅读需要专注和想象力，相比之下，视频游戏提供即时刺激。

Reading demands focus and imagination; video games, ___by ___contrast, offer instant gratification.