Ne oldu, Tom? Ağlıyor musun?
- What's the matter, Tom? Are you crying?
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?.
... secret of dark matter and dark energy. ...
... to the stars. It is 100% conversion of matter to energy by Einstein's equations, E=mc². ...