摘要： in respect of:涉及.关于 respectful:尊敬的.有礼貌的 respectable:体面的.有身份的 respect :尊敬 11. trial and error:反复实验.不断摸索 be aware of:意识到-.知道- allow for:考虑到- be willing to do/that-clause+ do:愿意做- in vain:徒劳 drive off:驱赶 stand on ceremony:拘于形式 adjust to sth:适应于- participate in=take part in

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