狠狠撸

education and training edutainment 褍锌褉邪胁谢械薪懈械 褌邪谢邪薪褌邪屑懈 pre 薪邪胁褘泻芯胁褘泄 褌褉械薪懈薪谐 training and development 芯斜褍褔械薪懈械 锌械褉褋芯薪邪谢邪 motivation 屑芯褌懈胁邪褑懈褟 芯斜褍褔械薪懈械 褌褉械薪懈薪谐 芯斜褍褔械薪懈械 胁蟹褉芯褋谢褘褏 芯斜褉邪蟹芯胁邪薪懈械 training andragogy adult learners presentation skills