1. economic adj.经济的;经济学的
例句:They feel limits their economic growth.
他们认为限制了它们的经济增长。
2. expect vt.期望;预料
例句:You expect him to remember?
你指望他能记住?
3. retail adj.零售的
例句:Today everyone wants to be in on the retail action.
在今天,人人都想通过零售的方式共襄盛举。
4. infrastructure n.基础设施;基础建设
例句:We should step up the development of infrastructure for research.
加强科学基础设施建设。
5. traverse vt.横越,横贯
例句:In order to traverse earth's oceans, humans learned to navigate its winds and currents.
为了横渡地球上广袤的大海,人类学会了利用海风和海流来航行。
6. struggle vi.搏斗;奋斗
例句:Politics is the struggle of power.
政治是权力的斗争。