1、 If your expenses exceed your income, you'll need to cut back on nonessential items.
如果你的支出大于你的收入, 你需要在非基本支出中取消几项.
来源:网络期刊摘选
2、 Exclude all nonessential personnel from the farm . Visitors shower prior to entering the unit.
排除猪场中所有的非必需人员, 来访者必须淋浴后才能进入场内.
来源:互联网