there must be a specific claim and a corresponding factual basis for the suit;

有具体的诉讼请求和事实根据；

youdao

There must be a concrete claim, a factual basis, and a cause for the lawsuit;

必须有具体的诉讼请求和事实、理由。

youdao

Sorema, a 2002 decision holding that a plaintiff alleging that he was fired for racially discriminatory reasons need not include in his complaint any factual allegations supporting the discrimination claim.

FORBES: Is It Too Much To Ask That a Lawsuit Be ��Plausible��?

The USTR says that claim has "no factual basis, " adding that Rangel and other members of Congress were briefed on the agreement as soon as trade negotiators returned from Seoul earlier this month.

FORBES

The one and only reason for this factual essay is to make the data available for all to assess and to understand that the popular claim that the wealthy do not pay as much in taxes as do their secretaries is totally absurd.

FORBES: The Facts On Tax Rates: Who Pays What