How many round trips can your cart make in a day?

你这辆大车一天能跑几个来回?

《现代汉英综合大词典》

This cached approach serves to prevent needless round trips to the registry.

这种缓存操作可以避免多余的对注册中心的访问.

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JSON round - trips, except for the type information loss.

JSON是可循环的, 除了类型信息会丢失.

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