[Illustrator]-Trim function

In Illustrator CS4 (Japanese version), "Trim Area" in CS3 has gone and "Trim Mark" function appeared instead.
I often used to use "Trim Area" when I export Illustrator data to After Effects or Photoshop and this new feature isn't handy.
I expect Adobe to fix this.
Adobe sometimes changes important features badly like this case.
It's so confusing and frustrating:(

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