本人現在是H1b身份，綠卡申請中，公司打算派我去大陸幫忙，說是希望我在移民法允許的前提下，盡可能多花時間在大陸。
請問，如果我出差去大陸，每年有幾次的限製嗎？
-No limit.
每次最多可以在國內呆多久？
-No limit either, but had better no more than one year continuously. If your green card is approved during you are in China, you need to ask someone to send the GC to you to come back.
