However, there are serious issues, such as a waste of resource, disordered mining and environment pollution during development of coal resource.

但在煤炭资源开发过程中，尚存在着资源浪费，开发秩序混乱以及环境污染等严重问题。

But there are more serious issues here, too.

但是这里也有一些严肃的问题。

Lack of family conflict will make people void of serious issues.

缺少家庭冲突会让人们避免一些重大事情。

That thinking led me to two projects to address two serious issues in my community.

那样的思考让我发起了两项计划，用来解决我小区中两个严重的问题。

We are having serious issues with this program. We are counting on your company to help.

我们这个项目碰到了一些严重的问题，我们就指望贵公司的帮助了。

This mechanism, called a cascading menu (see Figure 22-4), presents some serious issues for ease of use.

这种技术称为“级联菜单”（如图22-4所示），它给易用性…

That discussion has to be an ongoing dialogue. Teens need far more than one time discussions about such serious issues.

那个讨论应该是一直不停的对话，对于这种严肃的问题，青少年需要很多次的讨论。

The benefit of using -eis that it prevents errors snowballing into serious issues when they could have been caught earlier.

这样的好处是防止错误像滚雪球般变大导致一个致命的错误，而这些错误本应该在之前就被处理掉。

Mr Putin 's intemperate rhetoric is no help, but on one thing he is right: America and Russia have serious issues to talk about.

普京的过分言辞于事无补，但有一点他却是正确的：美国与俄罗斯的确有许多严肃的问题有待磋商。

The extra bandwidth required of streaming video introduces some serious issues when faced with the slow and congested speeds of a 3G network.

视频流需要的额外的带宽给3G网络提出了例如缓慢和拥挤等的几个问题。