天壹老师
由于 prep.as a result of, due to, thanks to, because of, owing to owing to; thanks to; as a result of; due to; in virtue of; because of; in that; on account of; since:由于同志们的帮助，他进步很快。 Owing to the help from his comrades, he has made rapid progress.由于生产不断发展，社员们收入逐年增加。 Since production has risen steadily, the personal income of the commune members has increased year by year.
