[经] income statement approach of estimating uncollectible accounts
lì zú yú shōu yì biǎo de huài zhàng gū jì fǎ ㄌㄧˋ ㄗㄨˊ ㄩˊ ㄕㄡ ㄧˋ ㄅㄧㄠˇ ㄉㄜ˙ ㄏㄨㄞˋ ㄓㄤˋ ㄍㄨ ㄐㄧˋ ㄈㄚˇ