To define the Expense of a solution (that could only partly fulfill the smooth constraints), sum the costs associated with violating the gentle constraints in excess of all activities. Allow V be the set of variables (symbolizing routines) and C be the set of all soft constraints. 也有很多同学考虑到价格因素，会选择国内的代写机构。殊不知国内代写黑心中介居多。这些黑心代写的写手大多来自于... https://inessay.com/