世界上最古老的电影节 —— 威尼斯电影节—— 周三开幕，请看本报周五的报道：

The world’s oldest film festival kicked off in Venice on Wednesday with plenty of Hollywood stars and top filmmakers but a lack of female directors and the inclusion of controversial names have drawn criticism.

After a few years on the wane, the festival is now seen as a launchpad for award season success, having premiered “La La Land,” “Gravity” and “Roma” which triumphed at the Oscars. But at a time of the #metoo movement, the presence of only two female directors among 21 in the running for the top Golden Lion prize and the inclusion in competition of Roman Polanski’s latest film have raised questions.

报道中的on the wane就是“逐渐衰落”，例如：

The star power of British celebrities appears to be on the wane.

英国明星的影响力似乎日渐衰微。