不明确
中文翻译：Unknown
同义词：
['不适用（因为“P. and L.”没有给出足够的上下文来确定其同义词）']
例句：
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1. P. and L. are the founders of the company.
P. and L.是该公司的创始人。
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2. P. and L.have been working together for many years.
P. and L.已经一起工作了很多年。
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3. P. and L.are known for their innovative ideas.
P. and L. 以他们的创新想法而闻名。