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。
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。
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。
With 18 RACES remaining, Schumacher will not be writing off his season on the basis of one race.
赛季还剩下18场比赛，舒马赫不会因为这一场比赛的失败而失去机会。
With 18 RACES remaining, Schumacher will not be writing off his season on the basis of one race.
赛季还剩下18场比赛，舒马赫不会因为这一场比赛的失败而失去机会。
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