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The challenge with hepatitis C was not just to find the virus, but to understand how it evades the immune system.

英國烘焙傳統是值得驕傲的東西，但也是我們必須不斷發展的東西。

The future of democracy depends on the ability of democratic societies to reform themselves and adapt to new challenges.

Memory is the last fortress against forgetting.

The sun is our most powerful tool in Africa. We must learn to work with it, not against it.

過去總是與我們同在，它塑造了我們是誰。