Despite all the hoopla, Palo Alto's 100th birthday party is actually designed to be a simple, down-to-earth affair.

除了喧闹外，帕罗奥图一百岁生日聚会实际上被设计为一个简朴实惠的活动。

《柯林斯英汉双解大词典》

They are made in 10 minutes, used in 20 minutes and normally remain on the earth for over 100 years since they are hard to be broken down.

它们在10分钟内制成，在20分钟内使用完毕，但由于很难被降解，它们通常会在地球上残留100年以上。

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They should be down-to-earth in building up their career.

他们应该脚踏实地的建立自己的职业生涯。

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Ironically, the value of such high-tech achievements might be laid low by down-to-earth political disputes between the allies.

FORBES: On The Cover/Top Stories

Ironically, these high-tech achievements might be laid low by down-to-earth political disputes over whether Japan would intercept a U.S.-bound missile.

FORBES: Magazine Article

Astronomers, who despite their profession tend to be more down-to-earth than theoretical physicists, are withholding judgment until the measurements are repeated.

ECONOMIST: Fundamental physics