第一种是现在的简单事实，在两个子句中均使用现在式，表示简单的事实。
The first is a simple fact in the present tense. The present tense is used in both clauses and we merely express a simple fact. E. G.
第一种是现在的简单事实，在两个子句中均使用现在式，表示简单的事实。
The first is a simple fact in the present tense. The present tense is used in both clauses and we merely express a simple fact. E. G.
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