1·I hate unnecessary waste.
我憎恨不必要的浪费。
—— 《牛津词典》
2·Second, the Chinese do not separate their trash which would avoid unnecessary waste.
其次，垃圾不分类处理，造成了不必要的浪费。
3·Advertising can mislead consumers, and make them buy products on a whim, causing unnecessary waste.
广告误导消费者，让消费者冲动消费。造成不必要的浪费。
4·Dealing with complexity is an inefficient and unnecessary waste of time, attention and mental energy.
处理复杂是对时间，注意力和思维能力的一种没有效率和没有必要的浪费。
5·It causes a lot of unnecessary waste to the farmers, which gets even worse especially in the bad years.
它引起许多不必要的浪费，尤其在灾年，对于农民来说更是雪上加霜。
6·This trend brings considerable trouble in maintenance, and even sometimes the unnecessary waste of labor.
这样，就给维修保养带来了难度，有时还会带来不必要的人工浪费。
7·Even if your office keeps a stash of plastic silverware in the kitchen, bring your own to avoid unnecessary waste.
即使你们办公室在厨房配有塑料餐具，你也应该自带餐具以免造成不必要的浪费。
8·And while some systems might support this transaction rate, it would be an unnecessary waste of expensive resources.
即使有些系统可能支持这个事务率，但这也是对宝贵资源不必要的浪费。
9·Lab Packs: To prevent accumulation of unnecessary waste chemicals on-site, lab packs should be conducted annually.
实验室包：为了避免化学物质不用要的糜费，使化学物质在现场堆积。实验室应该每年停止整理。
10·Smart Cards are used for all rooms central air conditioning unit to reduce unnecessary waste of energy consumption.
所有客房都使用智能卡控制中央空调组，以减少不必要的能要消耗和浪费。