translation.en: We've seen more: In London, we've introduced the congestion charge, actually quite quickly and effectively, and we've seen great improvements in the bus system, and cleaned up the bus system.
translation.zh: 我们已经看到了更多的决策：在伦敦，引入拥堵费政策， 这真的是立竿见影， 我们看到这项决策极大程度地改善公交系统， 并让公交系统变得清洁友好。