研究人员说，他们的测试车只是一个“概念验证”，利用大脑控制机器仍还有很长的路要走。 至于它何时能成功实现该项目，并提供给广大公众，尚未有具体时间表。
The researchers said their test car was just a ‘proof of concept’ and that there is ‘still a long way to go before we can take control of machines with our brains’.
如果他来，他就能检验这台机器的试车情况了。
Should he come, he would be able to examine the trial run of the machine.
但这部机器的试车失败了解。
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