Some operators, such as assignment, require that one of their operands be an lvalue.

有些操作符，比如赋值，要求其中的一个操作数必须是左值。

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Moreover, several provisions associated with how the corps would be implemented are highly problematic, such as assignment of operational responsibility to OFPP, whose mission is to oversee government acquisition policy.

WHITEHOUSE: Testimony of Paul A. Denett

In 2009, University of Chicago researchers dug into the data and found problems, such as in the random assignment of students.

WSJ: No Easy Lessons in Assessing Preschool Payoff

In fact, audit firms would be subject to conflicts of interest in accepting such an assignment since they have already opined as to the accuracy of the financial statements.

FORBES: Murders and Pensions: The Need for Forensic Investigations (March 28, 2006 )