He had to obtain permission to go into mines.

他必须获得许可才能进入矿井拍摄。

youdao

All foreign workers must obtain permission to work legally in the United States.

所有的外籍劳工必须获得许可证来合法的在美国工作。

youdao

Anyone desiring to leave the airport temporarily must obtain permission from the frontier inspection office.

要求临时离开机场的，需经防检查机关批准。

youdao

"Haitian nationals will be able to remain in the United States legally, be able to obtain authorization to work legally in the United States, be eligible to obtain permission to travel outside the United States, and return to their T.P.S.status."

VOA: special.2010.02.01

Warren alleges abuse of process as police did not obtain permission to bug a car used in the plot.

BBC: Jersey drug police 'illegally bugged' Curtis Warren

Of course, Apple and Google tell the WSJ that any application has to obtain permission before sharing information with third parties.

FORBES: How Smartphone Apps Spy on Their Users

It is self -evident that any region you must obtain permission from others to transit is not a region you have sovereign control of.

FORBES: Is The United States Violating Pakistan's Sovereignty?