Represents a phased period. English is commonly used? Stage? This word. Ordinal number, expressed in Roman numerals.

The first issue:? Stage? I

The second issue:? Stage? two

...

Phase 4: Phase? Intravenously injected

A fund that is publicly issued as a stock. I think the fund is not accurate enough. For closed-end funds, you can use? Money,? Open-end fund? fund