There is no concrete evidence to support assertions that the recession is truly over.

没有任何确凿的证据支持经济衰退已真正结束的断言。

Miedzian (1991) challenges the assertion that participation in organized sports teaches children the importance of teamwork.

米德齐安于1991年挑战了“参与有组织的运动教会了孩子们团队合作的重要性”这一说法。

The decision is seen as an assertion of his authority within the company.

这一决定被看作是他在公司内权威的显示。

These institutions have made the assertion of ethnic identity possible.

这些机构已使维护种族身份成为可能。