在美国，雇员在500人以下的企业为小企业，目前全美共有2000多万个小企业，占企业总数的99％。小企业是美国经济的重要组成部分，占其国民生产总值的39％和销售额的53．5％；一半以上的技术创新和2／3的就业机会是由小企业提供的。因此，美国政府对小企业的发展非常重视，制定 In the United States, companies with less than 500 employees are small businesses. At present, there are more than 20 million small businesses in the United States, accounting for 99% of the total number of companies. Small businesses are an important part of the U.S. economy, accounting for 39% of their gross national product and 53.5% of sales; more than half of technological innovation and 2/3 of employment opportunities are provided by small businesses. Therefore, the U.S. government attaches great importance to the development of small businesses and formulates