开单

Traditional form:

開單

Pinyin (reading):

kāidān

Definitions:

• to bill
• to open a tab

Characters:

• 开 - to open; to start, to initiate, to begin
• 单 - single, individual, only; lone

Traditional characters:

• 開 - to open; to start, to initiate, to begin
• 單 - single, individual, only; lone