happy feelings的用法和樣例：
例句
- That is why the kissing partners can experience feelings of euphoria and bliss in the process.
這也就是為什麼在接吻的時候，人們會有種輕飄飄的幸福感。 - This can lead to feelings such as depression, low self-esteem, anxiety, and rapid mood swings between depression and euphoria.
這種情況會引起其他的感受例如失落感，自尊心受挫，煩躁以及在幸福感及失落感之間徘徊的一種心境。
