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包装的未来在于既能保护产品又能保护地球的材料。
The study of topological phases of matter is not just about discovering new materials; it's about uncovering the fundamental principles that govern the quantum world.
没有一个国家能够单独解决海洋的挑战。
You never know with these things when you're trying something new what can happen. This is all experimental.