求翻译：4、研究制定进出口商品管理办法和进出口商品目录，组织实施进出口配额计划，确定配额、发放许可证;拟订和执行进出口商品配额招标政策。是什么意思？

Study and formulate the import and export commodity management approach and the import and export commodities catalog, organize the implementation of import and export quota plan, setting quotas and issuing licenses; the formulation and implementation of import and export commodity quota bidding pol

Research and Development 4, import and export commodity management approach and catalog of import and export commodities, organizing and implementing export quota scheme, quotas, licensing, developing and implementing policy for tender quotas on imports and exports.

4, study and formulate measures for administration of import and export and import and export directories, organization and implementation of import and export quota schemes, determine quotas, licenses, and formulation and implementation of import and export goods quota tendering policies.