sentiment作“态度或意见”解时，既可用作不可数名词，也可用作可数名词。用作可数名词时常用复数形式。

Should sentiment be controlled by reason?感情应受理智的控制吗？
Sentiment in the City is now in favour of a cut in taxes.在伦敦金融中心，群情期于减税。
His speech was full of patriotic sentiments.他的演说充满了爱国之情。
We share your sentiments on this problem.在这个问题上我们和你有相同的看法。