No advance booking is necessary.

无须提前订票。

《牛津词典》

No advance booking is necessary on most departures.

大多数起程票无须预订。

《牛津词典》

youdao

In the field of political ideas, unlike in the commercial and financial marketplace whose usefulness Friedman explained and extolled, there is no booking of gains.

FORBES: Milton Friedman: An Open Book

Rob Dore, owner of Private Jet Hire, said Mr Mills had made an enquiry with the firm to charter a plane from Doncaster Robin Hood Airport to Exeter but no booking was taken.

BBC: Rotherham United fans' pub landlord jet 'fraud' probed

With a no-booking policy, a long wait is inevitable, but it is worth it.

BBC: Cheap ethnic eats in London