constraint
simple noun20 搭配平均频率: 7.1
related to the limitations imposed by a budget
对…的限制
specifies what is being limited (e.g., constraint on spending)
指明被限制的对象(例如:对支出的限制)
对…的限制(正式)
a more formal version of 'on', specifying what is being limited
“on”的更正式版本,指明被限制的对象