抽象允许一种自由，而具象有时无法做到。
When I sing, I hope to convey positive energy.
Sustainability isn't just a buzzword; it's the future of our industry.
Never let age be a barrier to learning or discovery.
在科学中最令人兴奋的短语，预示着新发现的，不是“我找到了！”而是“这有点奇怪……”