<<< native [ EText TextNormal "\8220a\8221" , ESymbol Bin "+" , EText TextNormal "\8220b\8221" , ESymbol Bin "+" , EText TextNormal "\8220c\8221" , ESymbol Bin "+" , EText TextNormal "\8220f\8221" , ESymbol Bin "+" , EText TextNormal "\8220\915\8221" , ESymbol Bin "+" , EText TextNormal "\8220d\8221" ] >>> mml $$\mathrm{\text{“a”}}+\mathrm{\text{“b”}}+\mathrm{\text{“c”}}+\mathrm{\text{“f”}}+\mathrm{\text{“Γ”}}+\mathrm{\text{“d”}}$$