No color is designed to be a lack of vitality.

或者“没有色彩的设计是缺少生命力的”。

youdao

Without knowledge, life like a tree without the leaves, the lack of vitality.

无知识的人，其生命如同无叶子的树，缺少勃勃生机。

youdao

But the philosophy lessons of college are lifeless generally, and lack of vitality.

但是大学的哲学课堂却普遍是死气沉沉，缺乏应有的生机与活力。

youdao

Although the economic crisis has taken its toll, the problem is less a lack of money than a lack of intellectual vitality.

NEWYORKER: Diminuendo

Happily the lack of political leadership was countered by the incredible vitality, determination and commitment of civil society -- from young people, women, trade unions, grassroots communities, faith-based organizations and the private sector.

CNN: Was Rio+20 a failure of political leadership?

The unwieldy vitality, the stylistic sprawl, the lack of canonical rules are a fact of life for artists, curators and critics.

ECONOMIST: Contemporary-art criticism