come-along

基本解释

If you simply inherit a class and don't do anything else, the methods from the base-class interface come right along into the derived class.
如果你衹是簡單的繼承一個類而不做其他的事情，那麽這個基類的方法便會順延到衍生類中。
Twenty-somethings come along and invent entire new platforms like Facebook that change the world in different ways, learning the lessons from Steve Jobs and adding their own twists.
20多嵗的人追隨，學習史蒂夫·喬佈斯的經騐，再加上他們自己的智慧，創造了像Facebook 的新平台，用不同的方式改變了世界。
Parking is available on a first-come, first-served basis along tree-lined Kai Yuan Road.
停車位是沿著開元路上，縂是先到先得。
blog.sina.com.cn

Early in Google's post-IPO life skeptics fretted that some kid in a garage could come along some day and out-Google Google, doing to them what Google did to Excite and Alta Vista.
FORBES: On the web it's winner-take-all.
These are typically costly and come from clapped-out fields along ageing pipelines through unreliable transit countries, with unwelcome political conditions attached.
ECONOMIST: Energy security in Europe
High-profile cases come along every one or two years in Northern California.
FORBES: Courtroom Sketches of Apple, Samsung Trial Seen As Tech Collectibles

You tell someone to come along to encourage them in a friendly way to do something, especially to attend something.
When something or someone comes along, they occur or arrive by chance.
If something is coming along, it is developing or making progress.