你认为课堂上不积极的原因是？

The reason leading to the silence of the class?

youdao

动态链接器可以为每个被链接的函数做相当多的工作，所以大部分链接器都是不积极的。

The dynamic linker can do a fair amount of work for each function linked, so most linkers are lazy.

youdao

我现在已经扭转了这个趋势，如今非常活跃好动，但是仍是在努力燃烧在那些不积极的日子里猛增的脂肪。

I've reversed that trend, and am very active now, but I'm still trying to burn the fat I gained in those inactive years.

youdao

And pessimists might be those who say, "No, no. On balance, " the negative of death outweighs the positive-ness of life."

而悲观主义者可能会说，“不，不，总的来说，死亡的负面性要盖过生命的积极性“

耶鲁公开课 - 死亡课程节选

Why not think about creating positive situations ? that will help us lead happier, more moral lives?

为什么不创造积极的环境,让我们获得更快乐更讲道德的生活？

哈佛公开课 - 幸福课课程节选

When he laughed, was witty, in a merry humor, one could scarce sees his eyes, and by and by, when he was serious and positive, he opened his eyes round.

当他笑时，他是睿智的，带有令人愉快的幽默，都看不见他的眼睛了，不一会儿，他变得严肃和积极了，便圆睁着眼睛。

耶鲁公开课 - 政治哲学导论课程节选