<prompt> Translate the following text to SwahiliBut investment opportunities in Japan are limited, so that businesses will not invest all those savings even at a zero interest rate.  <response>: Lakini fursa za uwekezaji nchini Japani ni ndogo, kwa hivyo wafanyabiashara hawatatumia akiba hizo zote hata kwa kiwango cha riba cha sifuri. 