A combination of public policy decisions and corporate scheming saw to it that countless convenient and efficient urban streetcar and intra-city rail systems were dismantled.
公共政策决定和企业策划相结合，而这导致了无数便捷高效的城市有轨电车和城市内部的铁路系统被拆除。
2
This unusual combination makes it harder to repeat the policy tricks that banished the two previous recession scares, in 1998 and 2001.
这种少有的组合使政策上很难故伎重施，这种政策技巧曾在1998及2001年消除了对经济衰退的恐慌。
3
Our policy is guided by a combination of science and pragmatism -doing what the science requires while delivering concrete results.