事前接受简单的世博志愿者培训的翻译：Simple World Expo volunteers training, prior 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Expo volunteers in advance to accept a simple training

Simple World Expo volunteers training, prior

Accepted the simple world abundant volunteer to train in anticipation

accept the simple beforehand the EXPO volunteer training

Simple World Expo volunteers training, prior