限制

to restrict / to limit / to confine / restriction / limit / CL:個|个[ge4]

to limit / to restrict / (bound form) limit / bound

system / to control / to regulate / variant of 製|制[zhi4]

to manufacture / to make

limit up, limit down / limit on daily price variation

limitless / unrestricted

restriction enzyme

restriction mapping (in genomics) / restriction pattern

R-rated