If Baby wags her tail high and back and forth, she's in her "happy place".
如果小宝尾巴摇得高高地还前后晃，她就是高兴的。
Vectors can be cast between vectors of other types, and back-and-forth between the vector types and the special quad type, but none of these casts perform any data conversion.
向量可以在其他类型的向量之间进行转换，并在向量类型和特殊的quad类型之间反复进行转换，不过这些类型转换都不能执行任何数据转换。
Vectors can be cast between vectors of other types, and back-and-forth between the vector types and the special quad type, but none of these casts perform any data conversion.
向量可以在其他类型的向量之间进行转换，并在向量类型和特殊的quad类型之间反复进行转换，不过这些类型转换都不能执行任何数据转换。
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