They have a proven record of success, have the highest safety and security standards, and the best-trained and most professional staff of any global educational organization I know of.
他们已经创造了一系列的成功记录，就我所知，这所全球性的教育组织有着最高的安保水平，以及受过最佳训练的专业员工。
They have a proven record of success, have the highest safety and security standards, and the best-trained and most professional staff of any global educational organization I know of.
他们已经创造了一系列的成功记录，就我所知，这所全球性的教育组织有着最高的安保水平，以及受过最佳训练的专业员工。
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