對，需要上一定的量，batch，我感覺你賬戶夠大，可以打fidelity問相關事宜。。。道聽途說哈

來源: 成功的兔於 2024-10-19 06:22:46 [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.