licit

在有些国家，这类金融交易是完全合法的。

Such financial transactions are entirely ___licit in some countries.

医生只被允许使用合法的药物来治疗病人。

Doctors are only permitted to use ___licit drugs to treat patients.

对于这种商业行为，是否存在一个清晰的法律边界？

Is there a clear legal boundary for this kind of ___licit business practice?