Two years ago , flying goods from nanjing or shanghai to europe cost up to $ 4 a kilogramme ; today it the price is about $ 2.50 .
两年前，从南京或上海空运货物至欧洲，每公斤运费高达4美元；如今的价格约为2.50美元。
Municipal officials said levels of iodine-131 measured at tokyo 's water purifican plant had risen to 210 becquerels per kilogramme on wednesday , more than twice japan 's 100 bq / kg recommended limit for infants .
But state-run china national radio said the iodine content of edible salt in the country averages between 20-30 microgrammes per kilogramme , quoting experts saying that is too low to have any effect .
The country , which was the world 's largest producer of vanilla , was engulfed in civil war , causing the price of vanilla to soar from $ 25 a kilogramme to $ 400 / kg .
