But only 43 countries have the capacity to produce such estimates routinely, instead of on a costly one-off basis.

但只有43个国家能够例行进行这类估算，而不依赖昂贵的一次性估算。

youdao

If you use it for a service that clients access on a one-off basis, you'll actually be adding a lot of overhead that's due to message exchanges between the client and the STS.

如果用于客户端一次性访问的服务，由于客户端和STS之间消息交换的原因，实际是增加了开销。

youdao

Going for a full body massage on a regular basis is one excellent way to help you fight off tensions.

走了一个全身按摩是一个很好的方法，定期帮你击退紧张。

youdao

While the tidal wave of steeply discounted hotel properties didn't occur to the degree expected, a number of distressed properties still are winding through the system and selling on a one-off basis, said Jan Freitag, senior vice president of STR Global, a lodging research firm.

WSJ: Deal of the Week: Airport Hotel Discount

On that basis, a 23% sell-off in one day would never have been expected.

ECONOMIST: Buttonwood

Bond prices advanced by more than one full point and enough to shave 10 basis points off the 10-year yield, which slid to 3.04%.

FORBES: Jobs Report Sends Shudder Across Bond Desks