When Santa goes back to the sky. He said "Bye-bye everybody".

当圣诞老人回到天上的时候，他对每个人都说了再见。

youdao

He told me he felt like a little kid when Santa Claus was coming.

他告诉我他当时感觉就像是小孩见到了圣诞老人的到来。

youdao

When Santa arrives at the airport and hands his ID to the man at the counter it says he is from Prussia.

圣诞老人到达机场向柜台出示身份证件时，上面显示圣诞老人来自普鲁士。

youdao

So,when Nast painted the picture, his Santa Claus looked like the kindly old man of his childhood.

VOA: special.2009.12.20

When General Taylor learned that Santa Ana was preparing to attack, he left Vera Cruz.

VOA: special.2009.02.26

"We put out some vegetables for Santa Claus and a glass of water, and then when we woke up there was a note from Santa Claus."

VOA: special.2009.12.21

When Santa is seen heading for Rome or Athens, stock markets all over the world take off.

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Those periods when Santa failed to show have often been painful for the stock market in the coming year.

WSJ: Dow Gains 5.5% in 2011, as S&P Ends Flat

When Santa leaves, everyone says good bye inside and Santa goes out by himself so as not to spook the reindeer.

FORBES: What Are the Keys to Playing a Good Santa Claus at a Children's Christmas Party?