两国政府签署了合作备忘录。
liǎng guó zhèng fǔ qiān shǔ le hé zuò bèi wàng lù .
The two countries signed up a memorandum of cooperation.
两个国家签署了一个新的经济贸易协定。
liǎng gè guó jiā qiān shǔ le yí gè xīn de jīng jì mào yì xié dìng .
These two countries have signed a new economic and trade agreement.
