Little brown job or LBJ is an informal name commonly used by birders for any of the large number of species of small brown passerine birds, many of which are notoriously difficult to distinguish. This is especially true for females, which lack much of the coloring present in males.
权威例句
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But still, he might maybe have been have just a little bit more precise about what qualifies a green job as being green, as compared with one that is brown, or worse, possibly black.