名词
中文翻译：研究努力
同义词：
['investment of research', 'research input', 'research expenditure']
例句：
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1. The team's research effort has paid off with a breakthrough in the field.
该团队的研究努力已经取得了突破，在领域内取得了进展。
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2. The company's research investment is crucial to its long-term success.
该公司的研发投入对于其长期成功至关重要。
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3. The research effort of the scientist was focused on developing a new drug.
这位科学家的研究努力集中在开发一种新的药物上。