To buy a round-trip ticket, not to take the process, also cannot use the return.

购买往返飞机票，未乘去程，返程也无法使用。

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They also cannot use any ingredient made from such grains without having the gluten removed first.

他们也不能使用任何从谷类食品制作而来、没有事先去除谷类的成分。

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Tea party tea service general use ceramic vessels instead of glass, also cannot use thermos bottle instead of teapot.

茶话会的茶具一般用陶瓷器皿而不是玻璃杯，也不能用热水瓶代替茶壶。

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Their factories also use different technologies that cannot easily be integrated.

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"On the other hand, as the U.S. Supreme Court ruled in the Sony Betamax case several years ago, technology that has substantial non-infringing uses cannot be outlawed simply because pirates might also use the technology for infringing activities, " Weiss said.

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The court said political map-makers cannot use race as the principal consideration in drawing congressional district boundary lines, but also agreed that using race as one factor could be constitutional.

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