“international tourism expenditure”的概念、定义、翻译、参考文献-科学参考

单词	international tourism expenditure
释义	international tourism expenditure Encyclopedia 理学【住宿、餐饮业和旅游】释 international tourism expenditure国际旅游支出一国的国内居民在国外旅行、游览过程中用于交通、参观游览、住宿、餐饮、购物、娱乐等全部花费。
随便看	proper class proper coloring proper complex orthogonal group proper component proper concave function proper cone quasi convex function proper cone quasi-convex function proper congruence proper conic proper continuum proper conversion proper convex body proper convex cone proper convex function proper convex set proper cover proper cutset proper cycle proper differentiability proper differentiable mapping proper direction proper disconnection group proper distance proper distribution proper divergence

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