What those early craftsmen had found by trial and error was that under pressure a pagoda's loose stack of floors could be made to slither to and fro independent of one another.

"那些早期的工匠通过反复试验发现：在压力作用下，宝塔松散堆叠的楼层可以彼此独立地来回滑动。

youdao

You must control your thinking. Your thoughts cannot be tossed to and fro like the waves of the sea.

你得控制你的思想，你的思想不该像海浪般翻来覆去。

youdao

Your thoughts cannot be tossed to and fro like the waves of the sea.

你的思考不能像大海的波浪一样起伏。

youdao

Let me go and put that up-- it'll be tiring but let me go to and fro a bit.

让我回到讲台上记一下,虽然这样很累但是我多走几个来回吧

耶鲁公开课 - 博弈论课程节选

It looks like it is going to be a great Christmas fro Apple, and a not-so-good one for Microsoft and its hardware partners.

FORBES: Comparing Sales/Traffic At An Apple And A Microsoft Store During Black Friday

We seem to be having a to and fro here between myself and Robert Reich.

FORBES: Apple's Profits, Apple's Taxes, Are Near Irrelevant: A Response To Robert Reich