Where good natural protection is not available a fixed hanger or ringbolt should replace the piton.

若该处并无良好天然，则应以固耳片环形锚栓取代该岩钉。

Bombproof -A hold or anchor that is thought to offer the utmost security; for example, a top-rope anchor around a large, stable tree trunk or immovable boulder.

非常可靠保，例如，在大树者巨石上做顶绳保锚。

Thus, stabilizing the exchange rate between the world’s two largest trading countries could be a useful fixed point for checking the devaluationist proclivities of other nations around the world.

因此，世界上两个最大贸易国家间稳率是控制世界其他国家货币贬值主义倾向一个有用。