求翻译：美国商业电视以每年9月中旬至第二年4月下旬为一个播出季，新季以美国电视艺术与科学协会主办的“艾美奖”颁奖典礼为序幕是什么意思？

U.S. commercial television in a broadcast season in mid-September to the second year in late April, the new season organized by the United States Association of Television Arts and Sciences "Emmy" award ceremony is a prelude to

The United States each year to commercial television mid-September to the first 2 years 4 months for a late season aired in the United States, the new season Television Arts and Science Association's "Emmy" awards ceremony prelude to

The US commerical television take every year from mid-September the late April as one broadcasts the season to the second year, the new season sponsors “Ai Meijiang” take the American television art and the scientific association the promulgation ceremony as a prologue

United States commercial television broadcast annually from mid-September to late April 2 for a quarter of new season to United States Association of television arts and Sciences hosted "Emmy" awards ceremony for prelude

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