My personal opinion, and this is from playing both champs in question, is dont pick Jax vs Jayce. Most Jax players Leap strike in, only to get knocked away immediately, and then a quick switch into ranged mode from Jayce takes down their health. If Jax uses a Counter Strike + Leap Strike combo for an instant stun, then he is open for +/- 20 seconds, and Jayce can just combo chain abilities to nuke him. Short of a Jax combo including Flash/Exhaust, Jayce should win the lane phase. Try Malphite/Lee instead.

Who counters Jayce top lane besides Yorick?
The following sentence which have the same sentence construction, but why do the meanings of "for" in them vary?


  
  The entrepreneur /has responsibility /for any risk involved.
  He /has too much money/ for a young man.
  I /have free advice /for you.
  I /have two hours/ for a rest.
  Many new trains /have space /for wheelchair users.
  We /have no real, objective, scientific evidence /for our belief.
  


The sentences above have the same sentence construction, but the meaning of "for" in them vary. I don't know which part can decide the meaning of "for". 
