介词短语
中文翻译：落后于时间
同义词：
['out of date', 'behind the times']
例句：
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1.The company's products are outdated andno longer meet market demands.
这家公司的产品过时了，不再满足市场需求。
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2. Hewas behind the times inhis field, not keeping upwith the latest developments.
他在他领域内落后于时代，没有跟上最新的发展。
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3. Thenew technology is considered to bebehind the times, as it doesn't meet modern standards.
这项新技术被认为是落后的，因为它不符合现代标准。