自由民主在世界范围内的传播并非不可避免,但它是历史进程中最可能的结果。
When we write programs that "learn", it turns out that we do and they don't.
能源转型不仅仅是从化石燃料转向可再生能源,而是为不断增长的全球人口提供可靠、经济且清洁的能源。
The lives of girls and women are often undervalued and overlooked.
Sometimes the simplest songs are the hardest to write.