The companies that make their living fighting viruses aren't happy about what's going on in Ledin's classroom.

与病毒作斗争而生存的公司对于在Ledin课堂中正在发生的事情很不高兴。

youdao

Teacher, is that you will be ignorant of us, and brought into the classroom, is you have taught us, happy growth.

老师，是你将无知的我们，领进了教室，是你教会了我们，快乐的成长。

youdao

Second, as the class becomes active, students will learn with happy mood, muti-media makes the classroom more fun, which might be a significant factor in motivating the students.

第二，课堂变得活跃，学生会学得开心，多媒体让教室变得有趣，这对于学生来说或许是激励他们的一个重要因素。

youdao

Education minister Nguyen Thien Nhan seems to be happy enough with the deal, saying that Vietnam recognizes the value of technology in the classroom ( even if America doesn't).

ENGADGET: Intel tactically donates a thousand laptops to Vietnam