使得: usable, workable, feasible, doable, to make, to cause...
何必: there is no need, why should...
开支: expenditures, expenses, to spend money, (coll.) to pay wages...
中年: middle age...
维修: maintenance (of equipment), to protect and maintain...
线: thread, string, wire, line, (after a number) tier (unofficial ranking of a Chinese city)...
往来: dealings, contacts, to go back and forth...
高铁: high speed rail...
尽情: as much as one likes...
住宿: to stay at, lodging, accommodation...