Sustainability is no longer an option; it's a business imperative.
互聯(lián)網(wǎng)正在成為明日地球村的廣場。
And I hope you will come back here to Harvard 30 years from now and reflect on what you have done with your talent and your energy. I hope you will judge yourselves not on your professional accomplishments alone, but also on how well you have addressed the world's deepest inequities…on how well you treated people a world away who have nothing in common with you but their humanity.
制造鏈?zhǔn)椒磻?yīng)機(jī)器的基本點(diǎn)當(dāng)然是確保每次裂變產(chǎn)生一定數(shù)量的中子，其中一些中子再次有效地產(chǎn)生裂變。
A good story makes you feel less alone.
I think the most important thing in life is to be yourself, to be authentic.