Still, real-life pressures are likely — eventually — to prod politicians toward a policy mixing a better-funded, better-organized system to control migration, with an economically targeted welcome for immigrant workers.
尽管如此,现实生活的压力很可能——最终——会促使政客们采取这样一种政策:一方面建立资金更充裕、组织更完善的移民控制体系,另一方面有经济针对性地欢迎移民工人。
is said to be
, there exists an integer n such that
is the nth iterate of f. In the operator theory, a topologically transitive bounded linear operator (a continuous linear map on a topological vector space) is usually called hypercyclic operator. A related idea is expressed by the wandering set.