Analysis of information sources in references of the Wikipedia article "Ang Lee" in English language version.
李良山 (李安的特助)表示: "「色，戒」雖有美國資金，並是在大陸拍攝，但歐洲三大影展坎城、威尼斯、與柏林都是依導演的國籍來確定這部電影的出處，而李安至今仍是拿中華民國護照，從未申請入美國籍，所以「色，戒」當然是屬於中華民國、台灣的電影"... 據了解，李安旅美多年只持有美國綠卡，並未申請入美國籍 [...Ang Lee's personal assistant stated:"Though Lust, Caution had received fund from the US, and been filming in mainland China, but three major film festivals in Europe including Cannes, Venice, and Berlin, all decide the origin of the cinemas according to the nationality of the film director. As of now, Ang Lee still holds ROC passport, and he never apply to naturalize himself as American citizen. Surely Lust, Caution is originated in Taiwan"... It was learned that Ang Lee has been a US permanent resident for years without a citizenship by naturalization]
{{cite web}}: CS1 maint: archived copy as title (link)我很想跟他們講其實我也沒有入美國籍，我拿的還是綠卡。(I was willing to tell them that I am not naturalized as U.S. citizen. I still hold the green card.)
The Chinese-born American director mastered the nuances of 19th-century English manners in Sense and Sensibility, set martial-artist adversaries to dancing on tree tops in Crouching Tiger, Hidden Dragon and sold the mainstream audience on the love story of two cowboys in Brokeback Mountain.
Like many Asian-Americans in Hollywood's film industry, Chinese-born American film director Ang Lee struggled for acceptance early in his career.
{{cite web}}: CS1 maint: archived copy as title (link)我很想跟他們講其實我也沒有入美國籍，我拿的還是綠卡。(I was willing to tell them that I am not naturalized as U.S. citizen. I still hold the green card.)