ineffective investment造句

• The synthetic evaluation model not only helps develop the theory about tourism product development , but also has importent value in practice by guiding the developer reasonably developing tourism product , avoiding ineffective resource use and ineffective investment
  本文提出的森林旅游产品适宜性的综合评价模型不仅有助于旅游产品开发的理论发展，而且对于指导我国森林旅游产品开发者合理选择产品项目，避免资源的无效使用和资金的无效投入，提高资源利用效率，将具有重要的实践价值。