目前，地球上存在大约150万种可识别的物种，这一数字令人印象深刻，但是与超过700万的美国专利的数量相比就不算什么了。

And right now, there are about 1.5 million identified species on Earth - impressive, but nothing compared to the more than 7 million United States patents.

youdao

目前，地球上存在大约150万种可识别的物种，这一数字令人印象深刻，但是与超过700万的美国专利的数量相比就不算什么了。

And right now, there are about 1.5 million identified species on Earth - impressive, but nothing compared to the more than 7 million United States patents.

youdao