While Jonathan puts Palmer in his crosshairs, one of the Secret Service agents approaches Jack.

乔纳森通过枪的瞄准镜锁定了帕默，同时，一名特勤处特工走近杰克。

youdao

But Jonathan Palmer, chief executive of the track's parent company Motorsport Vision, told BBC Radio Norfolk it could be a year before construction begins.

BBC: Jonathan Palmer