上海建国东路一家冷鲜肉店铺一度动起了“跨界”的主意。为拓展消费群体，吸引来去匆匆的上班族，店里想尝试卖蒸包子。
And then they had a minor breakthrough. The team discovered that a sofa seen in some of the images was only sold regionally, not nationally, and therefore had a more limited customer base.
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The barycentric coordinates of are derived from the areas of sub-triangles .
The result from Step 2 is a high-level route – a sequence of shortcuts connecting border points.