They come in very different colors as Black, silver (very rare), chocolate, or yellow.

这种狗的毛色很多，有黑色，银色(很稀少)，巧克力色和黄色。

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Stephanie Black, an electrical engineer with Arup, said the team was used to working with concrete and steel, but less so with materials such as chocolate and fruit cake.

该公司的电子工程师斯蒂芬妮·布莱克说，团队习惯于和钢筋水泥打交道，但对巧克力和水果蛋糕等材料不太熟悉。

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Rawling's Cakes, which specialises in gluten-free and dairy-free baked goods, serves items such as vanilla and blueberry cupcakes, chocolate macadamia nut brownies, and carrot, lime and black cardamom muffins.

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