a joint cooperation的用法和樣例：
例句
- In 2001, one round of a joint factory observation visit was conducted.
二零零一年，港美雙方進(jìn)行了一次聯(lián)合觀(guān)察訪(fǎng)廠(chǎng)行動(dòng)。 - We welcomed the opportunity of joining hands with the Russians and proposed to them a joint campaign.
我們歡迎同俄國人攜手的機會(huì )，因而向他們建議采取一次聯(lián)合行動(dòng)。
