The concept of reducibility is central to understanding the relationships between different computational problems.
能源转型不仅仅是化石燃料向可再生能源的转变,更是确保这一过程对所有群体都公正且包容。
The first love is only a little foolishness and a lot of curiosity.
The generic city is the city liberated from the captivity of center, from the straitjacket of identity.