1 那就是 (说) ;亦即...... That is to say,... That is ,... Namely,... That is to say, it is possible for it to show various colors. 也就是说,它表现出多种多样的颜色是可能的。 2 基于这个理由...... For this reason,... For this reason, prices can supposedly never go down. 出于这个原因,可以推测价格不会下降。 3 我们有理由相信...... We have reasons to believe (that)... We have abundant reasons to believe that he is a good comrade. 我们有充分的理由相信他是一位好同志。