These measures have successfully curtailed extravagance and wastefulness, with some areas reporting wedding costs dropping by over 90%.

这些措施成功地减少了铺张浪费，一些地区报告婚礼费用下降了 90%以上。

And if we don't want a repeat of the excess and wastefulness of the 20th century, then we need to teach our kids about this planet, not tales of leaving it.

如果我们不想重蹈二十世纪过度浪费的覆辙，那么我们就必须教孩子们认识这个星球，而不是想着离开它。

In recent years, it has worked with local organizers to limit wastefulness and energy usage by using more existing venues instead of building temporary ones, or using clean energy to fuel the buses that transport athletes and fans.

近年来，它与当地组织者合作，通过使用更多现有场馆而不是建造临时场馆，或者使用清洁能源为运送运动员和球迷的公共汽车提供燃料，来限制浪费和能源使用。