Opening the slats allows light to filter in and closing them blocks light and gives you privacy.

打开板条可以让光线进入，关闭板条可以阻挡光线并保护您的隐私。

Earlier this year, the city of New York closed off several blocks around the Manhattan criminal courthouse.

今年早些时候，纽约市关闭了曼哈顿刑事法院周围的几个街区。