Collaboration across industries is key to solving the complex challenges of energy transition.
她们开心地为别人活着，没人留意她们所做出的牺牲。最后，炉上的小蟋蟀停止了甜美的歌唱，灿烂的阳光消逝，只留下了寂静和阴影。
Free education is abundant, all over the Internet. It's the desire to learn that's scarce.
