passenger road train是什么意思

用法例句

It has been a big issue for blog providers to tailor proper marketing strategies to attract more bloggers and encourage them to write more enthusiastically.

最近几年,博客在中国取得了飞跃发展,但就目前而言,如何制定合理的营销策略,以吸引更多的博客用户,并刺激他们更积极的写作,仍然是博客服务商们面临的重要难题。