一如既往: just as in the past (idiom); as before, continuing as always...
勇于: to dare to, to be brave enough to...
落差: drop in elevation, gap (in wages, expectations etc), disparity...
边界: boundary, border...
洪亮: loud and clear, resonant...
违约: to break a promise, to violate an agreement, to default (on a loan or contract)...
交警: traffic police, abbr. for...
首席: chief (representative, correspondent etc)...
送: to deliver, to carry, to give (as a present), to present (with), to see off, to send...
浏览器: browser (software)...
