而且中国人的储蓄观念强，消费讲究“值不值”。邮轮在欧美是“一价全包”的省心，但在中国游客看来，付了房费只是基础，船上喝杯酒要钱，吃个特色餐厅要钱，服务费还要另算。乘以汇率7之后，总感觉在不停地被“割韭菜”。
for each pixel in image，推荐阅读safew官方下载获取更多信息
Web streams use a locking model to prevent multiple consumers from interleaving reads. When you call getReader(), the stream becomes locked. While locked, nothing else can read from the stream directly, pipe it, or even cancel it — only the code that is actually holding the reader can.，推荐阅读同城约会获取更多信息
The 'magical' blue flower changing farmers' fortunes in India