The virus has many Santas and parents turning to online visits.

疫情让很多圣诞老人和父母都转而选择了线上问候的方式。

This year, he is doing online visits and working five days with a historic railroad in Pennsylvania.

今年，霍华德跟宾夕法尼亚铁路公司历史性地合作了5天的线上业务。

Ronald Reagan's library in Simi, Californiawas the most visited in 2013, with some 425,000 trooping in to see, among other things, his Air Force One. Online visits are more numerous and growing rapidly.

位于加州西米市的罗纳德·里根图书馆在2013年大热，相比于其他物品，他的空军一号最热，有425,000人去参观。