Insufficient legal aid makes it difficult to improve the legislation and judicial aspects of criminal human rights to benefit all or even most of the suspects and defendants, and then a dual imbalance occurs. Because lawyers can use legal knowledge and litigation experience And other resource advantages to guide the development of case processing in a direction that is conducive to its clients. Its admissibility rate of defense opinions such as surrender and meritorious service is relatively high. Therefore, there are criminal suspects of defense lawyers, and the defendants are more suspected of crimes than defense lawyers People and defendants are more qualified and may enjoy the "institutional dividend" brought by the progress of the rule of law, and get more opportunities for leniency and even acquittal. What does the author mean by this text? ['Legal aid is difficult to reach most suspects and defendants.', 'The lack of legal aid may affect the realization of the rights of suspects and defendants.', 'The help of defense lawyers has given some suspects and defendants leniency.', 'The resource advantages of legal aid lawyers should be brought into full play during the trial.']