to keep it as it is
This expression is used to indicate either the continuation of a state after doing an action or the maintaining of a previous state of being.
1. When this expression is followed by a connective ending that begins in -아/어 such as -았/었어요, -아/어요 and -아/어서, it can be shortened to -아/어 놔
2. In the case of the verb 놓다，the verb 놓아두다 (abbreviated form: 놔두다) is used instead of 놓아 놓다.
The differences between -았/었- and -아/어 놓다 are as follows.
Indicates the continuation of a state after an action is being done or just maintaining a certain state.
Both versions [아/어]놓다 and 아/어 놓다 (with space) exist and can be used interchangeably.
아놓다/어놓다/해놓다 can be shortened to 놔.