Sent_en: 2zh So while Canada is offering its hand to the United States as a gesture of assistance, it serves dually as a self assurance that Canada will not be affected by the spill, and to stop it before it reaches the border if it does get picked up by the currents.
Sent_yy: 因此，当加拿大向美国伸出援助之手时，它同时也是在向美国保证，加拿大不会受到石油泄漏的影响，如果它确实被洋流卷走，会在到达边境之前阻止它。