S. was once home to more than two million mustangs; today there are fewer than 50,000.

据研究员估计美国曾经是两百多万野马的故乡，而今数量比50，000还少。

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S. was once home to more than two million mustangs; today there are fewer than 50,000.

据研究员估计美国曾经是两百多万野马的故乡，而今数量比50，000还少。

youdao