_____youunderstandthisrule,you‘llhavenodifficultyindealingwithsuchproblems.
重写句子:Whenwearerelievedofworkingpressuresoftheoffice,wecanenjoyhappinessandrelaxationathome.(modifyingphrase)
Inordertobuyanewcar,youshouldatleast______onehundreddollarsaweek.