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I'm searching a way to combine two different taxonomy by it's term. Here is a picture of what I'm trying to achieve



I will used this later in a drop down select box with Ajax, if it choose Make Audi, then model will be generating model for Audi. Is it possible to linking the term like I described?

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Please explain what you're actually trying to achieve, what you've tried yourself so far and what's not working properly with your solution. –  engelen Jun 6 '14 at 8:07
@engelen I've added a new screenshot for more specific what I'm trying to achieve, my solution is working but confusing for user. –  nackle Jun 6 '14 at 10:19

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