"leaves it open" is a correct and usable phrase in written English.
It means to leave something undecided or not fully resolved. Example: The contract language leaves it open for negotiation on the pricing structure.
Its martial bluffness leaves it open to being hijacked by political intent.
At the same time, its painstakingly calibrated ambiguity leaves it open to spiritual interpretation and political speculation, as is suggested by the exhibition's final sculpture.
"While the effort that is being characterized is problematic, no one has defined Facebook as dominant in a market," he said, adding that the competition among social networks leaves it open to operate of its own devices.
Japan's dependence on exports for growth also leaves it open to criticism by its largest trading partners, who accuse policy makers of weakening the yen to make Japanese goods more attractive to consumers abroad.
It's ambitious as hell — which we love — but that also leaves it open to the possibility of it falling on its face.
"That leaves it open," Ms. Drown said of his fate.
Perhaps it is because... well, Ishiguro leaves it open.
The film's partisanship leaves it open to criticism.
Treating this as a silly question now only leaves it open for later.
He leaves it open so that potential recruits can look in and former students can stay informed.
He leaves it open most of the year, framing a view of the snowcapped Front Range, to the west.
