We must build a Europe that protects its citizens without closing itself off from the world.
我们必须建立一个既能保护公民又不与世界隔绝的欧洲。
介导疼痛的分子非常古老,揭示了这种感觉在进化中的深远根源。
Innovation is not just about technology; it's about changing the way we think and operate.
创新不是要做完全新的东西,而是要比别人做得更好。