results := await all(futures)?;
Масштабы падения российского экспорта в Германию оценилиDestatis: Поставки российских товаров в Германию упали почти на 20 процентов
，这一点在新收录的资料中也有详细论述
fn factorial(n: i64) - i64 {
println(f"5! = {factorial(5)}");
Of all the laser printers I’ve tested, I’ve been the most impressed with the Brother options for regular home use, and the 3280CDW is my pick of the bunch for most folks. It prints very quickly, requires little-to-no maintenance, and connects and prints consistently. It even does well with one sheets and other pages with simple color blocks, but like most laser printers, the color banding isn’t as appealing for photos or gradients.