4. Tchaikovsky wrote that in 1878, after the completion of his fourth 2 symphony, in a letter to his benefactress, Nadezhda Von Meck, the widow of an industrialist.
柴可夫斯基于1878年完成了他的第四交响曲后，在一封给娜婕达·冯·梅克夫人的信中写下了这段话。
youdao
5. Tchaikovsky wrote that in 1878, after the completion of his fourth 2 symphony, in a letter to his benefactress, Nadezhda Von Meck, the widow of an industrialist.
