They just need to polish their technique.

他们只需要改进一下自己的技艺。

《柯林斯英汉双解大词典》

They just need to analyse those data from a new perspective.

他们需要做的只是从一个全新的角度分析这些数据。

youdao

Instead, they just need to access already created objects.

相反，它们只需访问已经创建的对象。

youdao

"they are around the technology everyday, they just need to understand the technology."

VOA: standard.2010.02.02

Those are my... those are the only two exceptions for MTV credibility, but everything else, they just need to stop.

这两个具有良好信誉的节目算是MTV的例外了，其它的都可以不要再做了。

喜欢的电视节目 - SpeakingMax英语口语达人

If they're not obvious to you what they're called, you need to just study them and learn them.

如果它们不想它们的名字那么显而易见，你们需要学习它们记住它们。

麻省理工公开课 - 化学原理课程节选

They just need to make sure they do it every month and do it correctly.

FORBES: The Data Science Interview: Mingsheng Hong, Hadapt

They figure they just need to buy at the right time and all will be well.

FORBES: Real Estate Creeps Cat-Like To Lower Lows

Well they just need to look at other countries, and we've given more detail than other countries.

BBC: Take your politics too seriously