It keeps growing in one direction.

它总是沿着一个方向越长越大。

youdao

The number of Greek immigrants keeps growing.

希腊移民数量在不断增加。

youdao

The number of people online naturally keeps growing.

上网人数理所当然保持增长。

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Poor soil keeps many farmers in Africa from growing good crops.

VOA: special.2009.01.20

But KEP keeps growing slowly and steadily and is tied to Korea's steady emergence.

FORBES: Magazine Article

But with high inflation eating into stagnant wages, the burden of debt keeps growing.

WSJ: Osborne Is Losing His Allies on All Sides

The News of the World phone-hacking scandal is a snowball that just keeps growing.

FORBES: Is The 'News of the World' Scandal a Conspiracy?