The reasons why they don't, and why the environment has not been ruined, have to do with prices, technological innovation, social change and government regulation in response to popular pressure.

他们不这样做的原因，以及为什么环境没有被破坏的原因，都与价格、技术创新、社会变革和政府应对公众压力的监管有关。

youdao

If it's true that we would rather initiate change than have it thrust upon us, then why do we not do it more often?

确实如此，我们宁愿发起改变，而不喜欢强加的改变。那么，我们为什么不更多地发起改变呢？

youdao

You can not change the face, smile why do not you think about indulgence; you can not change the weather, why do not you change the mood.

你不能改变容颜，你何不想一想放纵笑容；你不能改变天气，你何不改变心情。

youdao

However, national cultures do not change overnight, so why bother about the cynics and their justified suspicion that, in the end, neither left nor right in France will legislate for a genuine reform of the judicial system?

ECONOMIST: A sad adieu to Dominique Strauss-Kahn

Since programmable logic can change function endlessly, why not use it to do different things at different times?

ECONOMIST: SEMICONDUCTORS: Bespoke chips for the common man | The