Thanks! one question

Is it a practical way to state: not allowed without permission in use at classroom?

所有跟帖： 

• 改了一下。刚才匆匆忙忙地胡乱弄了上来，有点错，现在好了。 -聚曦亭- ♀ (186 bytes) () 04/16/2015 postreply 19:41:01

• 不然怎么能成艺术家？ -聚曦亭- ♀ (0 bytes) () 04/16/2015 postreply 20:14:18

• 喔。谢谢告知。 -聚曦亭- ♀ (0 bytes) () 04/16/2015 postreply 20:11:02

• Yes, I do not like my book to be used in commercial way. -走马读人- ♂ (54 bytes) () 04/16/2015 postreply 21:18:28

• 你这个copyright term出版社都有模板，用不着自己这么费劲 -Marauders- ♀ (0 bytes) () 04/17/2015 postreply 15:39:11

• thx, I have that. -走马读人- ♂ (0 bytes) () 04/17/2015 postreply 18:06:09