tóu zī zhě / kě yǐ / tōng guò / gòu mǎi / yù tuō zhèng quàn / lái / jiàn jiē / chí yǒu / wài guó / gōng sī / de / gǔ fèn投资者可以通过购买预托证券来间接持有外国公司的股份。Investors can indirectly hold shares in foreign companies by purchasing depository receipts.