1·They had a bitter controversy over the question.
他们在这个问题上有很大的争论。
2·There's been a bitter controversy over the policy ever since it was introduced.
这项政策一经引入就引发了激烈的争论。
3·Cyprian carried on a bitter controversy with Stephen, bishop of Rome, on this issue.
塞浦路斯进行了痛苦的争论与鉴泉，罗马的主教，在这个问题上。
4·In neighbouring Greece, there is a bitter controversy over a new textbook for 12-year-olds.
在相邻的希腊，在给12岁的新的教科书上有很激烈的争论。