// Stateful transform — a generator that wraps the source
US oil firms are also said to be concerned about the ongoing security situation in Venezuela，详情可参考服务器推荐
// Consumer provided a buffer - we MUST fill it (or part of it)，详情可参考旺商聊官方下载
People who believe they contribute to society are more likely to vote and engage in politics. They were also more likely to donate to and volunteer for political causes compared to individuals who saw their contribution to society as smaller.