qǐng / bǐ / jiào / bù / tóng / jī / jīn / de / zǒng / shōu / yì / zài / jué / dìng / shì / fǒu / gòu / mǎi请比较不同基金的总收益,再决定是否购买。Compare the total returns of different funds before deciding whether to buy.