"Germont and his policemen could not find the letter, because they did not try to understand the mind of the man who stole it.

VOA: special.2009.12.26

If you look really carefully, you could find it was not a single line but two lines, and Bohr is silent on such matters.

如果你仔细观察的话，会发现这是两条谱线而非一条，对这一研究，波尔不得不沉默。

麻省理工公开课 - 固态化学导论课程节选

"Well,the more I thought about it, the more I realized the police could not find the letter because D'Arcy had not hidden it at all.

VOA: special.2009.12.26

They wanted to hold it there but could not find a place.

VOA: special.2009.08.10

They went to one man's home but could not find him there.

VOA: special.2009.09.07

She was dismissed from her job and could not find another.

VOA: special.2009.03.08

Fuel was getting low. They could not find Howland Island.

VOA: special.2010.05.26

They could not find work at home.

VOA: special.2010.05.13

He could not find it. Days passed.

VOA: special.2010.04.22

His family was poor. His early education came not from school teachers, but from whatever books he could find.

VOA: special.2009.04.09

But he did not find that special water, or any other water that people could drink.

VOA: special.2010.03.22

Not many flight instruments existed that could help him find his way.

VOA: special.2009.03.18