They must abort their plan.
他们必须终止计划。
You had no option but to abort the mission.
你们毫无选择,只有取消这项使命。
She had to abort the baby.
她不得不打掉那个胎儿。
Otherwise, the vehicle must be able to safely abort the trip, such as by parking, if the driver does not retake control.
The woman, surnamed Liu, once had to abort her deformed fetus and is now trying to determine if the incident was due to genetic problems.