And this,it says, is severely threatening progress that has been made for children in some developing countries.

VOA: standard.2010.02.04

And scientists have been working on this for years and there's been progress, but it's still a very difficult challenge.

科学家们对此已经研究很久了,并取得了进展,但仍有很大挑战

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

If so how? And once again he puts forward different arguments; in Book II chapter 8 he compares law to other arts and sciences and suggests why sciences such as medicine and has exhibited progress this should be true for law.

如果可以，如何改？同样地,他从不同的角度来推论;,在第，II，册第，8，章中，他对比法律,与其它的艺术与科学,并暗示像医学等科学都已显示进展,法律也理应如此。

耶鲁公开课 - 政治哲学导论课程节选

"This legislation not only makes history, but it will make progress for America's working families."

VOA: standard.2010.03.16

It's that progress that made it possible for me to be here today, for the good people of this country to elect an African-American the 44th President of the United States of America,".

VOA: standard.2010.01.17

This agreement advances the political progress that can bring lasting peace and unity to Iraq and allow for the orderly and responsible transition of American combat troops out of Iraq by next September,".

VOA: standard.2009.11.08

"We now need for the public and the media to recognize the progress and to join us in this fight which is not limited to government but has taken root in all of the society."

VOA: standard.2009.08.14

But,she warns this progress is fragile. She says the momentum for health development could come to a grinding halt because of problems stemming from the food and financial crises, the changing climate and the H1N1 influenza pandemic.

VOA: standard.2009.12.29

Families of those suspected to have been killed in the mid 1980s by agents of the right-wing military regime of Oscar Mejia Victores, say just being able to search for their loved ones is a signal of progress in this country.

VOA: standard.2009.12.18