形容词
中文翻译：坚定不移的
同义词：
['steadfast', 'constant', "unchanging例句：1. The company's commitment to environmental sustainability is unfailing.（该公司对环境可持续的承诺始终不变。）"]
例句：
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1. The company's commitment to environmental sustainability is unfailing.
该公司对环境可持续的承诺始终不变。
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2.His unfailing support for the team has been crucial in their success.
他始终如一的支持对团队的成功至关重要。
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3.The leader's unfailing dedication to service was a source of inspiration for all.
领导者始终如一的服务奉献是所有员工的灵感来源。