An alternative way of concatenating two sequences is to construct a collection, for example an array, of sequences and then apply the SelectMany method, passing it the identity selector function.

连接两个序列的另一方法是构造序列的一个集合(例如一个数组)，然后应用SelectMany方法，将其传递给标识选择器函数。

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An alternative way of concatenating two sequences is to construct a collection, for example an array, of sequences and then apply the SelectMany method, passing it the identity selector function.

连接两个序列的另一方法是构造序列的一个集合(例如一个数组)，然后应用SelectMany方法，将其传递给标识选择器函数。

youdao