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1.crucial to 至关重要的

例句：Improved consumer confidence is crucial to an economic recovery.

消费者信心的提升对经济的复苏至关重要Yp&wedV]L-v3|r2eJ=C。

3.at the outset of 从一开始

例句：Decide at the outset what kind of learning programme you want to follow.

开始时就选定自己的学习方案Ygq,V&.h*v+(%#n5。

3.dog trainer 训狗师

例句：Muggli also is a dog trainer and has seen significant growth in interest in agility training.

马格利还是一名驯狗师，她发现宠物狗主人在训练狗狗的机敏性方面兴趣大增W4@6i&[=6J|IX4&IQ#f7。

4.referral letter 转诊信

例句：Please attach with the doctor's referral letter.

请连同医生转诊信递交bOe6P,dnosZ=Dc]8Y57。