宝马目前在美国仅有一台测试车。

BMW had just one vehicle testing in the U. s.

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测试车里有一名驾驶员，但他当时以为公交车会采取避让。

A test driver was in the car, but expected the bus to yield.

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测试车里有一名驾驶员，但他当时以为公交车会采取避让。

A test driver was in the car, but expected the bus to yield.

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