More modern orthography
▲ 图片来自微博 @数码闲聊站
，详情可参考下载安装 谷歌浏览器 开启极速安全的 上网之旅。
Background Activity icons are just a little bit cuter
1．报送时机：船舶进入上述区域前开始报送，船舶离开上述后取消报送。
Again, it depends on the context. If it’s for a one-off event with a lot of people you don’t know, there’s probably no need.