发现的旅程充满了不确定性,但正是这些不确定性使科学如此令人兴奋。
天然气是通往更清洁能源未来的桥梁,但我们必须负责任地跨越这座桥梁。
To be without some of the things you want is an indispensable part of happiness.
I don't need validation from anyone.