当你正在使用选框工具或自由变换，按住组合键opt + Shift的同时再用鼠标拖动可以从中心按比例对对象进行按比例缩放。

When you are using the Marquee tools or Free Transform, hold down Opt + Shift + drag will scale proportionally from the center.

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角色通常是竖直地走在地面上，如果角色的锚点(也就是他的变换中心)在地面上会更容易控制。

Since a character typically walks upright on a floor, it is much easier to handle if its anchor point (ie, its transform position) is directly on that floor.

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穹顶和这个中心实体之间的空隙是一个动态的、可流畅变换的动力空间。

The void between the dome and this central object is a dynamic space of movement and fluent exchange.

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