Wit without learning is like a tree without fruit.

没有学识的机智，犹如没有果实的树。

youdao

We'll discuss validation sets when we look at decision trees because they are a common optimization for decision tree learning.

当我们在后面具体提及决策树时，将会进一步讨论验证集，因为它通常是决策树学习的最优选择。

youdao

I've been learning English since I was ten, but I can never say I'm at the top of the tree.

我从十岁就开始学英文，可我永远都不能说我已经到了炉火纯青的地步。

youdao

The movie, The Learning Tree, was based on his 1963 autobiographical novel of the same name.

NPR: Tribute to Photographer, Filmmaker Gordon Parks

Six projects will seek people to give their time to youth groups, mentoring, sports coaching, tree planting and learning support for older people.

BBC: London scheme launched to find 10,000 volunteers

Amini went to the school, signed a waiver releasing the school of liability if her son got hurt and then the two spent evenings and weekends learning the playground, including safe ways to navigate the jungle gym and the location of a tree stump that had sharp edges.

NPR: For Blind Lawmaker, Biography Reflects In Policy