标题（Title） 一般不超过80个字符
Train to Heathrow | London To Heathrow | Heathrow Express to London
（67 个字符）
关键词（KeyWords）一般不超过100个字符
heathrow express, airport, lhr, paddington express, tickets, timetable, promotions, trains, heathrow express train, train to heathrow, heathrow transfer, heathrow train, heathrow, heathrow to london, London to Heathrow
（218 个字符）
描述（Description）一般不超过200个字符
Heathrow Express is the fastest way between Heathrow Central & London Paddington. Transfers from Heathrow Terminals to London Paddington which is fast, frequent & comfortable
（182 个字符）
