Supercomputers are big-ticket items.
超级电脑是高价商品。
Until now, they've had to rely on TV cameras when they use the robot arm to move or install big-ticket items.
不过目前为止，当他们利用机械臂移动或安装大物件时，只能借助电视摄像机。
One telltale sign: the new Millionaire Fair, where vendors come to show off big-ticket items like helicopters, jewel-encrusted pencils and baby bottles made of gold.
一个有力的论据就是，一次奢侈品展会中，展商展出了诸如直升飞机、镶钻的铅笔和黄金制成的奶瓶。
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