Most goods are available, but at a price.

大部分商品都可以买到，但价格昂贵。

《柯林斯英汉双解大词典》

But at the annual party conference he always made the right noises.

但在年会上他总是故作热情地随声附和。

《柯林斯英汉双解大词典》

The orchestra has more discipline now, but at the expense of spirit.

该管弦乐队现在更有纪律了，但却牺牲了士气。

《柯林斯英汉双解大词典》

The ILO notes that child labor is decreasing worldwide, but at a much slower rate than four years ago.

VOA: special.2010.05.17

But at the same time we might have very different experiences and that was amplified with students coming from different cultures altogether.

但与此同时,我们的经历却非常不同,而这一点因为同学们各自不同的,文化背景又被扩大化。

普林斯顿公开课 - 人性课程节选

but at the same time that means I get to meet a lot people that I wouldn't normally have met.

但同时这意味着我能接触到更多的人，如果不是在布朗大学，我可能没有这样的机会。

尊重多样化 - SpeakingMax英语口语达人

The changes being implemented are sometimes practical, but at what cost to their culture?

BBC: The end of a wandering way of life?

But at some point you have to stop and think about what the next steps are.

NPR: Gulf Banks Vie to Help Hurricane Victims

But at the end of the day, I've got to look at what actually happened.

NPR: New Orleans Family Heads North