约制

约制	yuē zhì	to bind / to restrict / to constrain
约	yāo	to weigh in a balance or on a scale
约	yuē	to make an appointment / to invite / approximately / pact / treaty / to economize / to restrict / to reduce (a fraction) / concise
制	zhì	system / to control / to regulate / variant of 制
制	zhì	to manufacture / to make