1. Cocoa is the country's economic mainstay. 可可是这个国家的经济支柱。
2. A country lacking short-term liquidity would be loth to approach the IMF for a loan under the "stand-by arrangement", the mainstay of the IMF's crisis lending. 一个缺乏短期流动性的国家可能不愿向国际货币基金组织寻求“备用信贷协议”——IMF 危机贷款的中流砥柱。
3. Trade was the mainstay of the urban economy in the Middle East, as caravans negotiated the surrounding desert, restricted only by access to water and by mountain ranges. 因为商队只能通过水路和山脉进入沙漠，贸易就成为了中东城市的主要经济支柱。
4. This principle of collective bargaining has been a mainstay in labour relations in this country. 这种集体谈判原则已成为该国劳动关系的一个重要基础。
5. Agriculture is a mainstay of the economy. 农业是经济的支柱。
