'quick suggestion' is correct and usable in written English.
You can use it when you are proposing or offering a short or simple idea. For example, "I have a quick suggestion: why don't we try eating out instead of cooking tonight?".
The selection diagram gives quick suggestion about the optimal configuration at the initial design stage.
He made a quick suggestion: "How about that?" Ben went back to work.
The proposed working fluid and solar collector field selection diagrams can be used for quick suggestion about optimal configuration of a concentrated solar power plant, without any detailed simulations.
And he is highly efficient about his giving: he virtually never says no to the five-minute favor, something that will help someone out — an introduction, a quick suggestion — but cost him very little, relative to impact.
While the first version of the Explore feature primarily helped smartphone users get a quick suggestion for a restaurant or bar within a short walk or cab ride, the new feature for the Web will let users browse from their desktops for ideas about places to go for lunch, late-night snacks and drinks.
Other new features include Quick Suggestion, which pops up restaurant information, flight data and "your favorite teams' schedules" (I assume that's something that sports fans talk about a lot?).
We could trade quick suggestions and advice.
Quick suggestions can be made throughout the site with minimal clicks of the mouse, and users get points every time they behave in a supportive manner.
Rather than looking for raised hands and walking from desk to desk, teachers are able to identify who is struggling in real time and provide quick suggestions via iPad.
You can set the snooze to remind you of the message or group at a predefined time and date (the app offers quick suggestions and full custom scheduling) or at a place of your choosing, using geofencing.
And I have just four quick suggestions I'd like to share before the panel starts, a couple of which are very much in train but I still think are worth thinking how we can take them further.
