veer off

n.

（方向、位置的）改变；（从…）突然改变方向，猛然转向；（谈话、行为或思想）离开主题（或常轨等）；

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AIRPORT VEER-OFF RISK ASSESSMENT: AN ITALIAN CASE STUDY
Avoiding veer-off accidents on contaminated runways
Studio dell'interazione aeromobile-terreno in caso di veer-off
Runway veer-off accidents: Quantitative risk assessment and risk reduction measures
Analysis of Reasons for Runway Veer Off of Civil Aviation Aircraft and Preventative Measures
Manual wheelchair doesn't veer off toward curb on sidewalks
Development of a runway veer-off location distribution risk assessment model and reporting template
Robots veer off the beaten path
Tax proposals veer off track to chill economy