当问起世界上现在最大的问题是什么，许多人说是严重的能源危机。

When asked about the biggest problem today, many people say that it is the serious energy crisis.

youdao

当问起世界上现在最大的问题是什么，许多人说是严重的能源危机。

When asked about the biggest problem today, many people say that it is the serious energy crisis.

youdao