The paper points out that marx ' s distinction between productive labor and non - productive labor should be furthered ; the argument that value determines the monism needs more convincing evidences ; the duplication of two kinds of labor should be verified ; marx ' s view of international value should be further elaborated under wto framework 文章认为：马克思区分生产劳动和非生产劳动的论述需要更详尽的体系；马克思关于价值决定一元论的论断需要更加信服的论证和论据；马克思关于两种劳动倍加的思路需要进一步求得实证的支持；马克思关于国际价值决定的思想在wto框架下需要进一步阐述等。
The 2003 world health organization food and agriculture organization expert consultation report on diet , nutrition and prevention of chronic diseases reported that there is convincing evidence that fruits and vegetables decrease the risk for obesity and cardiovascular diseases and also probably decreases the risk of diabetes 及联合国粮农组织fao专家在关于饮食营养和预防慢性疾病的咨询报告中提出有说服力的证据，来证明蔬果减低了罹患肥胖病和心血管疾病的风险，而且对于预防糖尿病也可能有帮助。
