这次延误完美地说明了为什么我们需要一个新的计算机系统。

This delay is a perfect ___illustration of why we need a new computer system.

法国菜优雅的摆盘清楚地说明了人们对美学的重视。

The elegant presentation of French cuisine serves as a clear ___illustration of the importance placed on aesthetics.

柏林墙的倒塌常被引为对自由渴望的有力例证。

The fall of the Berlin Wall is often cited as a powerful ___illustration of the desire for freedom.