🧩 词语组成解析
ghetto
['getəu]
n. 少数民族的集中住宅区;犹太人区;限制区，分离区;贫民区;
upgrade
[,ʌp'ɡred]
n. 向上的斜坡;
vt. 提升;使（机器、计算机系统等）升级;提高（设施、服务等的）档次;提高（飞机乘客、旅馆住客等）的待遇;
up向上+grade步，级→向上升级→上升，升级
🗣️ 情景例句
How are you?
你好吗？
When did you leave?
你什么时候离开？
Although being early may mean wasting a little time, this will be less than if you miss the train and have to wait an hour or more for the next one;
虽然早到可能意味着浪费一点时间，但这比误了火车等上一个多小时坐下班车浪费的时间要少，