Is this translation correct?
Would "phrase book" translate as "日本語の句本"?

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I say "用語集(yougo syuu)" :)

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Oh. Thank you Jason :)

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用語集 is more like a term list.

I just took a look at Amazon.co.jp for books on English.
Apparently, フレーズ集 and 句集 are common.

Check it out if you like:
http://www.amazon.co.jp/s/ref=lp_492404_nr_n_10?fst=as%3Aoff&rh;=n%3A465392%2Cn%3A%21465610%2Cn%3A466302%2Cn%3A492404%2Cn%3A503672&bbn;=492404&ie;=UTF8&qid;=1445052905&rnid;=492404