I am not thinking of mere forms of politeness, such as saying "please" and "thank you" : formal manners are most fully developed among barbarians, and diminish with every advance in culture.

我指的并不只是礼貌的形式，如说“请”和“谢谢”：正式的礼仪在野蛮人中是最为成熟的，之后就随着文化的进步而逐渐消退了。

youdao

Thank you in advance for your consideration and courtesy。

承蒙阁下的关怀和礼遇，至此表示感谢。

youdao

Thank you in advance for your concern and attention.Please let me hear from you as soon as possible.

预先感谢阁下对我的关怀，并敬请尽速赐函示知。

youdao

For those travelling during this holiday season, let me thank you in advance for putting up with some inconveniences.

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Thank you in advance.

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So thank you all in advance, and I look forward to visiting your states.

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