One might add a fourth consideration: parliamentary immunity has enabled some corrupt businessmen to ward off legalinvestigation.
有人或许会加上第四个考虑因素：议员司法豁免权使一些不法商人得以躲过司法调查。
2
The plankton test is still considered as one of the useful methods for medico-legalinvestigation of death by drowning although controversies concerning the reliability of the test exist.
溺水是常见的死亡原因之一，浮游生物检验是法医学鉴定溺死的重要依据。
3
But, as my investigation uncovered, the shortage of legal donors means that such a trade already secretly exists.