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Fi=Fc-Fl Fi=Fl-Fc Fl=Fc-Fi Fl=Fi-Fc
struggling struggled having struggled to struggle
struggling struggled having struggled to struggle
struggling struggled having struggled to struggle
/;the;/ the;/;a /;the;a the;the;the
struggling struggled having struggled to struggle
是 不是 FI231是FI241不是 FI241是FI231不是
struggling struggled having struggled to struggle
struggling struggled having struggled to struggle
struggling struggled having struggled to struggle
struggling struggled having struggled to struggle
have struggled struggled having struggled to struggle