来到教室后，如果看不见黑板，我下次就不会再来了。

If I come to the class, and I can't see the chalkboard, I won't come back again.

youdao

假使他也认出了我，便不会再来了。

If he had recognized me on his side, he would not have come back again.

youdao

给了我一本书后，如果看不见书中的文字，我也不会再来了。

Or if I'm given a book to read and I can't see the letters, I just won't come back again.

youdao

So next year don't pick up the scale.

明年我不会再带天平来了。

哈佛公开课 - 计算机科学课程节选