| 例句 |
Social justice is the keystone of their political program.社会公平是他们政治纲领的基本原则。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。Tourism is the city's economic keystone.旅游业是本市的经济基础。The keystone of their foreign policy is friendliness to all nations.他们外交政策的基本原则是和所有国家都友好相处。 |