The core audience for this one is in Japan as its a Japanese language version.

天使之吻的主要读者和市场还是在日本，而且是以日语电影的身份出现。

Advertisers will need to work harder to get the attention of their core audience.

广告商们将需要用更加努力的工作来留住他们的核心客户。

A: I would search for new markets for the product while I spurred the engineers to change the product to make it more marketable to its original core audience.

回答：我会为该产品寻找新的市场，同时，我会鼓励工程师对原产品进行改革升级，使它更适应原目标客户的需求。