The big gap between the headline and effective marginal taxrates reflects the large number of allowances given to firms for doingparticular activities, such as research and development.
法定税率和有效边际税率的巨大差异反映了各国种类繁多的优惠政策,比如补贴研发项目等等。
2
Part of the increase stems from human activities—directly, in the case of construction, or indirectly, when it results from clearing vegetation from marginal land in order to farm it.
Part of the increase stems from human activities-directly, in the case of construction, or indirectly, when it results from clearing vegetation from marginal land in order to farm it.