广西北流市新圩镇吴某从事农副产品购销经营活动,却一直未到工商部门办理工商营业执照。去年,他因无证无照经营,致使自己签订的农副产品购销合同无效,无法保全自己的权益。吴某既没办理种子经营许可证,又无工商营业执照,就擅自从事马铃薯购销经营活动。2002年11月他与某村村委 Guangxi Beiliu Xinwei Town Wu engaged in agricultural and sideline products sales operations, but has not been to the business sector for business license. Last year, he was unable to preserve his own rights and interests because of the fact that he signed the contract for the purchase and sale of agricultural and sideline products due to his business operation without a license. Wu did not handle the seed business license, business license without the business, engaged in unauthorized buying and selling of potato business activities. In November 2002 he and a village committee