知识产权的保护在过去是一个真正的障碍。

And IP protection has been a real barrier in the past.

youdao

一个女人，交给我她加固过的卧室门的钥匙：在离婚期间，她现在的前夫当时还住在这个房子里，所以她在夜里必须为自己建立足够的障碍保护。

One woman handed me the key to her reinforced bedroom door - during the divorce her now-ex-husband was still living in the house, and she had to barricade herself in at night.

youdao

预留保护区内的水库对固执的观察者是一个障碍。

The reservoir in the reserved preserve is an obstacle to the obstinate observer.

youdao