Competition with product development and technology development, etc. and competitors, further social public opinion
or changed classification in the change and the like, there is that criteria of acceptability becomes severe.
Example) "It works" criteria changes in the basic quality ⇒ "quietly behavior to be"
"quality of the appeal," the color of the paint appearance, gloss ⇒ clear feeling, deep
การแปล กรุณารอสักครู่..
