These so-called surface deliveries have been the crucial method by which booksellers have sold books to foreign markets because the cost is about one-third that of air mail.

这些所谓的水面运送方式，一直是书商们将书卖往海外市场的主要方法，因为它的花费只有航空邮件的三分之一。

youdao

The robe of the one was red, that of the second blue, and that of the third white.

第一个的衣服是红的，第二个的是蓝的，第三个的是白的。

youdao

The Venetian Council finally allowed round ships to enter the trade that was previously reserved for merchant galleys, thus reducing transport cost by one third.

威尼斯议会最终允许圆型船进入原本只供商船使用的贸易，从而降低了三分之一的运输成本。

youdao

But not so. About 62,000 new motor homes rolled out of dealerships in 2004, but just one-third that many were sold last year.

VOA: standard.2010.03.01

In fact, the assets that the Norwegian Government owns is about two-thirds oil and one-third government pension fund assets.

实际上，挪威政府所持有的资产中,大概有三分之二的石油,和三分之一的政府养老基金。

耶鲁公开课 - 金融市场课程节选

It sells for about 20 cents a pound, so that represents about one-third of a trillion dollars.

它的价格为20美分每磅，这价值,大约为3000多亿美元。

麻省理工公开课 - 固态化学导论课程节选

Its communications system was originally designed to handle only one-third that number.

CNN: Groceries to go

The Basra refinery escaped the war mostly unscathed, but it gets only 6 gallons of gasoline from a barrel of crude, one-third that of modern plants.

FORBES: Taking Charge

He says rent there is one-third that of downtown Seattle.

FORBES: Backpackers meet bottom line