请大家帮忙看下下面句子是不是有问题

题目

请大家帮忙看下下面句子是不是有问题
1、Because local residents may concern about the supplyshortage of oil when they learn(得知) the prediction of the forecasters.
2、even though we assume that the author can find enoughevidence to support his standpoint of the above-mentioned question,the authorstill need to find out whether residents have already stored adequate oil forfuture usage.
如果不对,请帮忙改下,

答案

读了两遍没找到什么问题 就是觉得句子写的比较繁冗