That db4o simply returns cached objects instead of more implicitly handling them is something of a contentious issue.

Db4o仅仅返回缓存对象，而不对其更多地进行隐式处理，这是一个有争议的话题。

youdao

Both sides refused to give any ground on the contentious issue of Israeli settlement building in the occupied territories.

在有争议的以色列定居点建设问题上，双方均拒绝做出让步。

youdao

His imprisonment had been a contentious issue in Israel.

他的被捕在以色列一直是一个有争议的问题。

youdao

The fate of illegal immigrants here now is the most contentious issue in an emotional debate.

NPR: Plan to Legalize Undocumented Immigrants Progresses

Obviously this has been a hugely contentious issue in our country for a very long time.

WHITEHOUSE: President Obama at a Bipartisan Meeting on the Supreme Court | The White House

Sharing the "social burden", as it is known, was a contentious issue in the election.

BBC: Israel PM Netanyahu signs coalition deal