experimentation of workers
... excess workers 过剩人员 experimentation of workers 劳工实验 factory workers 工厂工人 ...
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experimentation of workers
工人实验
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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In 1933, during the darkest days of the Great Depression, Franklin Roosevelt declared that "the only thing we have to fear is fear itself", and offered a "new deal" to the American people, promising a period of bold, vigorous and continuous experimentation, which he hoped would reduce unemployment and get American workers back into jobs.
BBC: A Point of View: Roll up for the inauguration