The energy transition is not just about switching from fossil fuels to renewables; it's about ensuring energy security and affordability for all.
能源转型不仅仅是从化石燃料转向可再生能源；它关乎确保所有人的能源安全和可负担性。
To talk about painting is not only difficult but perhaps pointless too.
音乐行业很艰难，但我们的友谊更坚强。
数学中的合作是必不可少的；思想的交流导致了任何单一思维都无法独自实现的突破。