Ne oldu? Solgun görünüyorsun.
- What's the matter? You look pale.
Ne oldu, Mary? İstiyorsan benimle konuşabilirsin.
- What's the matter, Mary? You can talk to me if you want.
Why are you crying? What's the matter?.
... Dark matter, invisible matter, holding the galaxies apart? And that's a very sad story ...
... So once we understand dark energy and dark matter, we'll understand the Big Bang. Because ...