Observe the same shape mesh : 156 triangles (right) vs 726 (left). 726 may not sound like a great deal of polygons, but if this is used 40 times in a level, you will really start to see the savings.
观察上面这个形状相同的网格体：156个三角形面片（右）和726个三角形面片（左）。 726个面片可能听起来不会是很多的多边形，但如果这是在关卡中变成40倍，你会真正开始看到优化后节省下来的面片。
But at age 69, three weeks after a checkup concluded with the news that John was in great shape, he had a massive stroke that left him paralyzed on one side.
约翰先生在当地一家社区乐队吹奏自己漆的单簧管。 在他69岁时做了一项体检，结果显示身体十分健康，可就在三周后他就突发大面积中风，导致后来半身不遂。
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