基本解释[经济学]童工的保护英汉例句双语例句It's not just the lack of institutional protection in the rural and informal economies that increases the risk of child labour in supply chains;增加供应链中童工劳动风险的不只是农村和非正规经济中缺乏制度保护;protection of child labour更多例句专业释义经济学童工的保护