support arduous manual labour
This created a need for cheap food that could support arduous manual labour: plenty of calories, fat and protein where possible, but not so well suited for a modern diner in search of taste sensations and a healthy diet.
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support arduous manual labour
支持繁重的体力劳动
以上为机器翻译结果，长、整句建议使用 人工翻译 。