可可电台，每期节目一话题，让英语磨练耳朵的同时学到更多有益的小知识，丰富知识的同时受益于生活。

白领改善健康的简单方法

Make a packed lunch

自制午餐盒饭

Not only will making your lunch at home save you money, but you can also make sure it is packed full of nutrients without the high sugar, salt and fat you find in many fast food grab-and-go meals.

在家自制午餐不仅省钱，还可以确保午餐富含营养成分，不像许多方便快餐那样高糖高盐高脂肪。

Fast food lunches "rarely provide you with enough veg, fiber and good quality protein to keep hunger at bay and blood sugar levels stable throughout the afternoon," explained nutritionist Lily Soutter. "A great blood-sugar balancing lunch is essential for preventing that post-afternoon energy slump, as well as keeping hunger at bay."

营养学家莉莉·苏特解释称，快餐类午餐很少能提供足以让你整个下午都不感到饥饿、血糖维持在稳定水平的蔬菜、纤维和优质蛋白质。有助平衡血糖的午餐对防止午后精神不振、远离饥饿感是必需的。

【知识点讲解】

Not only 不但，不仅，不只; 非但; 不独; 何止

例句：

He was not only talented but immensely popular with his colleagues.

他不仅才华横溢，而且深受同事的喜爱。

She not only plays well, but also writes music.

她不仅很会演奏, 而且还会作曲.

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