This area is monitored 24 hours a day by security cameras.

Please always fasten your seatbelt when you get in the car.

He chose to discard a safe tile in mahjong.

The government is considering the security of its citizens as its top priority.

He saved money as a safety net before starting his own business.

The safety of this car is very high.

The agenda of the Security Council is an important issue related to national security and defense.

In our company, we always adhere to the principle of safety first.

The National Security Council was convened to make important policy decisions.

The Security Council is the main organization for maintaining international peace and security.