Successive governments have permitted such increases on the grounds that the cost of investing in and running the rail network should beborne by those who use it, rather than the general taxpayer.
历届政府都允许这种增长，理由是投资和运营铁路网络的成本应由使用者承担，而不是一般纳税人。
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The Sarbanes-Oxley act, introduced after Enron collapsed in disgrace, increased the regulatory burden on companies of all sizes, but what could beborne by the big could cripple the small.
Research on assessing the impact of climate change on vector- and water-borne diseases is under way in India and Nepal and will be expanded to other countries in the region.