What and how the Japanese eat, he says,explains why they are the healthiest people on earth.

VOA: standard.2010.02.23

In the universe we-- Who knows what is out there in the universe but at least on Earth we may well be the only people there are.

在宇宙中，我们-,谁知道宇宙中有什么,但至少在地球上我们很可能是唯一的。

耶鲁公开课 - 死亡课程节选

"What on earth is going on?" Some analysts say discontent is bubbling up from the Pakistani middle class because of U.S.restrictions on visas and increased screening after recent bomb attempts.

VOA: standard.2010.05.06

But the commissioners noted what they called 'the harsh fact that these countries are among the poorest on earth, and that the full claims would have been impossible for either side to pay.

VOA: standard.2009.08.20