到底谁更幸福：拿高工资但是每天工作时间长几乎没有时间和家人朋友在一起的人，还是拿低工资但是每天工作时间短有很多时间陪伴家人和朋友的人？

Who would be happier: those people who have to work long hours every day to earn high salaries but have hardly any time to spend with their families and friends, or those people who choose to work short hours every day to leave much time for their friends and families but earn low salaries?

现代医药技术可以把以前不能治好的病人治愈，这有助于人类的健康幸福。

Modern medical technology can cure patients who were considered incurable in the past, which contributes to the health and

happiness of human beings.

过去的人冬天都没有暖气，出门也没有汽车坐，连吃肉都困难，哪有什么幸福可言？

How could those people in the past feel happy when there were no heaters in winter, no cars to ride while going out, even no meat to eat?