Boosting Sonodynamic/Gas/Chemo Therapy through Triple Inhibiting Multidrug Resistance Using Responsive Biodegradable Sulfide‐Vacancy‐Rich Nanosheets

in TME, relieving the tumor's hypoxia as well as enhancing the therapeutic efficacy of SDT and chemotherapy. The proposed biodegradable therapeutic platform holds great promise for strengthening sono-chemotherapy in TNBC treatment and overcoming the limitations associated with traditional chemotherapy.