The power to edit genes comes with great ethical obligations.
計算機科學(xué)使計算機感到尷尬。
There is no despair so absolute as that which comes with the first moments of our first great sorrow, when we have not yet known what it is to have suffered and be healed, to have despaired and have recovered.
To signal an emergency, use the rule of three; 3 shouts, 3 horn blasts, or 3 whistles.