You could have spared yourself an unnecessary trip by phoning in advance.
你要是先打个电话就用不着跑这一趟了。
United, which has seen its share price tumble, could have spared itself this public relations humiliation if it had followed its own policy on customer service.
美联航的股价正受到重创，要是它遵循自己制定的客服政策，本可以避免这次公关羞辱。
Geological workers have spared no pains to uncover the mineral resources.
地质工作者不辞劳苦地寻找矿产资源。
I have spared no efforts to overcome the difficulties and finally succeeded.
我不遗余力去克服困难，终于成功了。
The company appears to have spared no expense in designing and building the new shoe store.
公司为了设计和建造新鞋店似乎不惜成本。
They have spared no efforts to classify pun in order to have a full understanding.
他们不遗余力地想对双关进行分类以达到对双关的全面了解。
They have spared no efforts to classify pun in order to have a full understanding.
他们不遗余力地想对双关进行分类以达到对双关的全面了解。
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