来总结一下：start 和 begin 都有“开始”这一基本的意思，但相比之下 start 稍显随意，也包含许多 begin 所不具备的用法和介词搭配；此外，start 的名词形式是 start，而 begin 的名词则是 beginning；begin 用在句式“can’t begin to do something”中表示“简直无法做某事”。

Head start 指“竞赛或赛跑中的先起步优势”，通常与介词 on 或 over 搭配。 Get a head start 的意思是“有个领先开端或者领先一步”; get a head start on/over somebody 的意思是“在开始时就比其他人更有优势，领先于他人”。 例句 Go to sleep early, so you can get a head start ...

Paris is the city of lights. New York never sleeps. Shenzhen programs itself. This, according to Lu Yiji, president of the China-Europe Digital Association, is more than a metaphor — it’s his observat ...

It profoundly demonstrates that when a product is sufficiently "good to drive," "user-friendly," and "great value," the noise and debates surrounding price naturally fade away, and the product's value ...