But security is still an issue after a warning in June by the Movement for the Emancipation of the Niger Delta rebels suggesting that the safety of visiting teams and fans could not be assured.

VOA: standard.2009.10.22

This may sound appealing enough, but here I have to issue a warning.

也许听起来蛮动人，不过我要事先提个醒。

耶鲁公开课 - 公正课程节选