如果这是真的，随着猪流感的传播，如果大多数感染者都属轻微症状的不足为奇。

If that is true, as the flu spreads, it would not be surprising if most cases were mild.

youdao

如果这是真的，随着猪流感的传播，如果大多数感染者都属轻微症状的不足为奇。

If that is true, as the flu spreads, it would not be surprising if most cases were mild.

youdao