But the windowing custom is only one example of the surprising views of marriage that have existed around the world .
但是爬窗这种风俗仅仅是世界上存在过的、让人感到吃惊的婚姻观点中的一个例子而已。
Some bavarian people of southern germany once had a " windowing " custom that took place when young women left their windows open at night so that young men could enter their bedrooms .