(adjective) The best; far better than any competitor; incomparable
"don't risk a penny"“免费试用”(销售用语)
(SALES) A common traditional expression meaning prospective customers pay nothing at all to try the product, and don't have a purchase requirement if they don't like it
EXAMPLE: To encourage customers to try the new exercise machine in the store, sales representatives told them "you don't risk a penny".