1.political issue 政治问题
I suggest that you keep off political issue in negotiations with them.
我建议你在与他们谈判时避开政治问题 。
"It should not be a political issue, but one of good science and good ethics," he said.
他说:“这不应该成为一个政治问题,而应该是一个良好科学和伦理学的问题 。”
2.the centre of 中心
The centre of the city is spotlessly [stainlessly] clean.
市中心一尘不染干干净净 。
Taking quick aim I hit the stag right in the centre of its forehead, right between his pair of magnificent antlers.
快速瞄准,我射中了这只雄鹿额头的正中,准确无误的射中了他那对巨大鹿角的中间 。