If you think you saw a mouse, you did. And, if there is one, there are more.
如果你觉得你看到了一只老鼠,那么你肯定就是看到了。而且,如果有一只的话,就会有更多。
Profitability and responsibility can go hand in hand.
"Science is about asking the right questions and being persistent in finding the answers."