by contrast

英文造句：

1. She had almost failed the exam, but her sister, by contrast, had done very well.
   她考試差點不及格，而她的妹妹相比之下考得很好。
2. The coastal areas have mild winters, but by contrast the central plains become extremely cold.
   沿海地區的冬天天氣暖和，可是相比之下中部平原卻異常寒冷。
3. Camping sites, by contrast, are highly cosmopolitan.
   而露營駐地則相反，是高度世界性的。