keystone的例句（keystone在句子中的用法）

• Advancing suburban assurance is the difficulty and keystone of domestic insurance enterprise. 发展农村保险是我国保险业发展的难点和重点.
• The keystone to any marriage is one word: " WE ". 任何婚姻的基石只有两个字: “ 我们 ”.
• Quantitative measurements of one sort or another serve as the keystone of engineering practice. 定量测定一种或多种成分是环境工程中的重要项目.
• The essentiality of fund and financing is the keystone of expatiation. 资金和资金筹集的重要性是阐释的重点.
• Keeping inflation low is the keystone of their economic policy. 将通货膨胀率保持在较低水平是他们经济政策的主旨。