<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.good point mkuu ila nikuulize debt ratio to gdp ya greece ilikuwa ni 115 to gdp , usa pamoja na kukopa wako bado 50 to gdp unafahamu kitu gani???  <response>: have you ever wondered why mutual funds that have 80 of their exposure to u.s. stocks schb and the other 20 to international stocks efa are still measuring their performance versus the sp 500 voo? 