求翻译：通过平面广告，例如杂志和地铁平面广告，来维持市场占有率，唤醒人们的怀旧意识，争取吸引更多的年轻人甚至是中年人群体。是什么意思？

To maintain market share through print ads, such as magazines and subway print ads, wake up people's nostalgia for the past, seek to attract more young people and even middle-aged groups.

Through print ads, such as magazines and subway ads, to maintain its market share, wake-up call for nostalgic awareness, trying to attract more young people and even the middle-aged groups.

Through the plane advertisement, for example the magazine and the subway plane advertisement, maintains the market share, awakens the people to remember past times consciousness, strives for attracts more young people is even the middle-aged person community.

By print ads, such as magazine and Metro advertising, to maintain its market share, wake up people's sense of nostalgia, seek to attract more young people and even the middle aged group.

first of all, advertising, and;