‘Its toxicity could present a challenge for human exploration, ’ he said.
他说：“这些汞的毒性足可以威胁到人类探月工程的开展。”
The challenge: could he take a simple idea, market it, make people happy, and use it all to turn himself into a millionaire?
我们面临的挑战：他可以采取一个简单的想法，市场它，让人们快乐，并用它所有自己变成一个百万富翁？
The challenge: could he take a simple idea, market it, make people happy, and use it all to turn himself into a millionaire?
我们面临的挑战：他可以采取一个简单的想法，市场它，让人们快乐，并用它所有自己变成一个百万富翁？
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