The process of establishing a literary canon is seen by some as, in part, an attempt by certain scholars to make their own labors central and to relegate the work of others to marginal status.
But there is no simple fix. Higher marginal tax rates are an integral part of the Obama health plan.
但没有简单的修补方法，因为更高的边缘税率正是奥巴马保健计划的一个有机组成部分。
3
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.