Good morning, ladies and gentlemen. It's very satisfying to see so many of you here.
各位女士各位先生,早上好,在这里见到你们大家使人感到非常满意。
engineers may soon be free to let their imaginations soar without being penalized by expensive failures.
因此,工程技术人员可能很块就可充分发挥他们的想像力,而不会因失败而造成经济上的损失。