sensation什么意思

sensation是感觉的意思，而expensive则是贵的意思，区别可以从以下例子看出：

I have a sensation that product is expensive, as I can find similar products in the internet, maybe you can match the price for me. 我有一种感觉，产品很贵，因为我可以在互联网上找到类似的产品，也许您可​​以为我匹配价格。