某商品是吉芬商品,则在其他因素不变的情况下,
C
暂无解析
Wehavebeenimportingandexportingallkindsofmetalsandmineralsfor30yearsandhavemanycustomersandfriendsinover80countriesandregions.
Somevisitorsareinterestedinothercountries'culturesandtraditions.Howtheylearnotherculturesandtraditions?Whythisisinterestingtosomevisitorsbutnottoothers?
某公司对外发盘时规定了发盘的有效期,根据《联合国国际货物销售合同公约》的规定,这项发盘在有效期内()