形容词
中文翻译:无成本的
同义词:
['free', 'gratuitous', 'uncharged例句:1. The movie was costless to watch.(看电影是免费的。)']
例句:
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1. The movie was costless to watch.
看电影是免费的。
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2.He gave away all his possessions for charity.
他把所有的财产都捐给了慈善机构。
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3.The company offered a free trial of its software.
该公司提供其软件的免费试用。