try-and-buy
adjective /ˌtraɪ ən ˈbaɪ/
/ˌtraɪ ən ˈbaɪ/
[only before noun]- (especially of computer programs and equipment
) that can be used free for a limited period of time, during which you can decide whether you want to buy it or not尤指计算机程序和设备 先试后买的