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我不害怕跌倒,因为我知道我会再次站起来。
煤炭的可持续未来取决于我们能否在不牺牲依赖该行业的人的生计的情况下整合更清洁的做法。
The beauty of topological insulators lies in their robustness; their surface states are protected by symmetry and topology, making them immune to certain types of disorder.
A good illustration doesn't just accompany text - it converses with it.