These toy classes served their purpose at the time - simple placeholders to illustrate a point - but they don't hold up as a rigorous domain model.

这些类在当时具有其特定的用途—用于说明某一点的简单占位符—但是它们并不是一个严格的域模型。

youdao

The good software developers I know might on occasion release their software early to satisfy customer demands, but they would never hold up their bug-ridden code as a model for others.

我所了解的好的软件开发人员可能偶尔较早地交付产品，以满足客户的需要，但是他们绝不会将自己编写的隐藏着错误的代码当成范例拿给他人。

youdao

While I'm proud of Mariana's thrift, I'm not trying to hold her up as a model for the masses.

我虽然对玛丽安娜的节俭引以为豪，却并不想让大家把她当作榜样。

youdao

However, it seems fair to say that the White House would have done themselves a big favor had they strived for more equal female representation if the plan was and is to hold themselves up as a model for equality in the workplace.

FORBES: White House Record On Women Should Be Better

These companies look for opportunities to sell their expertise overseas, and now hold up the UK as a model for how to introduce privately run prisons into a state system.

BBC: Criminal justice reshaped

As we press Mideast governments to change their ways, we should hold up Turkey as a positive role model.

FORBES: Spider Webs In The Sky