The lawyers also make opening and closing statements to the jury.

VOA: special.2009.08.31

So again this curiosity, this looking up, this opening up is opposed to closing down that kids have.

所以孩子们的这种好奇，这种寻找，这种开放的心态是与封闭相反的。

哈佛公开课 - 幸福课课程节选

Opening and closing it changes the temperature too much.

VOA: special.2010.02.24