People in developing countries are happier than before while people in developed countries are no happier than they used to be. Why? What lesson can you learn from it?

话题好像是问为什么在已开发的富国人民不如以前快乐，而相对的，在开发中的人民却是比以前快乐?又问从这种情形学得什么教训?。

youdao

People in developing countries are happier than before while people in developed countries are no happier than they used to be. Why? What lesson can you learn from it?

话题好像是问为什么在已开发的富国人民不如以前快乐，而相对的，在开发中的人民却是比以前快乐?又问从这种情形学得什么教训?。

youdao