Owing to the exhaustion of non-renewable resources such as fossil fuels and the increasing seriousness of environmental pollution, it is urgent to find alternative energy.
随着化石燃料等不可再生资源的日益紧缺和环境污染日益加重，人们迫切需要寻找替代能源。
Owing to the exhaustion of non-renewable resources such as fossil fuels and the increasing seriousness of environmental pollution, it is urgent to find alternative energy.
随着化石燃料等不可再生资源的日益紧缺和环境污染日益加重，人们迫切需要寻找替代能源。
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