a gain to knowledge知识的增进
gain some knowledge收获一些知识
To Gain Practical Knowledge努力汲取实践知识
We gain more knowledge我们获得了更多的知识
gain new knowledge学习新知识;获得新知
gain in knowledge增长知识
Gain the knowledge获取知识
Gain different knowledge and skills获得不同的知识与技能
gain knowledge of获得