Happiness is not something ready made. It comes from your own actions.
我们创造的空间必须激励和提升人类精神。
The value chain is the set of activities through which a product or service is created and delivered to customers.
我认为最重要的是始终保持谦逊并继续努力工作。
诗歌是一种理解世界的方式。
可持续发展不是选择，而是对后代的责任。