673家不对外开放的高尔夫俱乐部参加了最近的一次调查。
他是近代第一位思想上对外开放的中国思想家。
He was the first Chinese thinker in modern times to open his mind to the outside world.
4月2日，即将对外开放的南京紫金山昆虫博物馆在中山山脚下正式成立。
Nanjing Zijinshan Insect Museum, which will be open to the public soon, was formed at the foot of Zhongshan on April 2nd.
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