They are encouraging all workers to join the union rather than just taking a free ride on those who do join.他们鼓励所有工人加入工会，而不是坐享其成。These new companies are parasites feeding off the success of those who spent the last decade establishing the industry.那些人历经十年才成功建立起了这个产业，这些新公司现在则坐享其成。