节省开支 cut corners ; cut down one's expenditures ; to tighten their belts ; tighten their purse strings
报名参加课程但不来校园的学生越多，学校在教室照明、支付门卫工资和维护停车场方面节省的开支就越多。
The more students who enroll in a course but don't come to campus, the more the school saves on keeping the lights on in the classrooms, paying doorkeepers, and maintaining parking lots.
选择间隔年，一开始就把事情理顺清楚，可以帮助预防压力，并在以后节省开支。
Taking a gap year to figure things out initially can help prevent stress and save money later on.
一个新的过滤器能节省能源开支。
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