桃僵李代: palm off a substitute for the real thing; substitute one person for another
情感: [心理学] feeling; affection; emotion; sentiment; sensibilities 短语和例子出于情感上的缘故 for sentimental reasons; 易动情感 emotional; sentimental; 诉诸情感 an emotional appeal; 细腻的情感 fine sentiments; 情感淡薄的人 a ma