Being at the heart of the system
开 (kāi / open) + 心 (xīn / heart)
= 开心 / happy
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-6 coffee
-100 g ruccola salad + 1 tbsp oliveoil + 1 pinch of salt + lemon
-140 pieces sunflower seeds
-1 nectarine
-1 cup 1,5% fat milk 150ml
= 开心 / happy