单词	娱乐性使用
释义	娱乐性使用recreational use
随便看	productive time productive wages productive well productive zone productivities productivity productivity agreement productivity bargaining productivity bonus productivity center productivity component productivity factor productivity hypothesis productivity improvement and control system productivity improvement and control system--pics productivity improvement and control system，pics productivity index productivity key productivity management productivity map productivity measure and evaluation system productivity measure and evaluation system ( promes) productivity measurement productivity metrics productivity movement