We need to concentrate on our core business.

我们需要集中在核心业务上。

《牛津词典》

This is one of our core business.

这是我们的核心业务之一。

youdao

We must focus on our core business.

我们必须专注自己的核心事业。

youdao

As we enter 2013, we feel that we are well positioned in each of our core business lines.

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If you take our core business, that has been flirting with profitability already.

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We expect to grow revenue 25% year-over-year for the full fiscal year, driven by these trends and the strong demand in our core business.

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