你擁有的最強武器是你的頭腦。好好訓(xùn)練它。
The strongest weapon you have is your mind. Train it well.
Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world.
安全和隱私是用戶對互聯(lián)網(wǎng)信任的基礎(chǔ)。