"By contrast"是一個英語表達，用於比較和對比兩種不同的情況或事物。例如：
By contrast, the humanists celebrated human freedom and the joys of this world。相比之下，人文主義者慶祝人們的自由和這個世界的歡樂。
By contrast, you can buy household robots that are still limited to performing only one job。相比之下，你能買到的家用機器人還停留在只能做特定工作的階段。
By contrast, two more distant powers, Russia and the United States, enjoyed a relative invulnerability. By contrast, both the American and Russian economic growth rates have become more sluggish。相比之下，美國和俄羅斯的經濟成長速度卻慢得多。